# List of Belgian football transfers summer 2018

This is a list of Belgian football transfers for the 2018 summer transfer window. Only transfers involving a team from the professional divisions are listed, including the 16 teams in the Belgian First Division A and the 8 teams playing in the Belgian First Division B.
The summer transfer window will open on 1 July 2018, although several transfers will be announced prior to that date. Players without a club may join one at any time, either during or in between transfer windows. The transfer window ends on 1 September 2018, although a few completed transfers could still be announced a few days later.

## Sorted by date
### December 2017

| Date | Name | Moving from | Moving to | Fee | Note |
| 4 December 2017 | Hassane Bandé | Mechelen | Ajax | €9 000 000 | |

### January 2018

| Date | Name | Moving from | Moving to | Fee | Note |
| 22 January 2018 | Benito Raman | Standard Liège | Fortuna Düsseldorf | Loan Extended | |

### February 2018

| Date | Name | Moving from | Moving to | Fee | Note |
| 8 February 2018 | Jari De Busser | Lierse | Gent | Undisclosed | |
| 26 February 2018 | Luca Napoleone | Heist | Excel Mouscron | Undisclosed | |

### March 2018

| Date | Name | Moving from | Moving to | Fee |
| 5 March 2018 | Wouter Scheelen | Lommel | Bocholt | Undisclosed |
| 12 March 2018 | Jaric Schaessens | Beerschot Wilrijk | Rupel Boom | Undisclosed |
| 18 March 2018 | Mohamed Ofkir | Lokeren | Sandefjord | Undisclosed |
| 20 March 2018 | Hernán Losada | Beerschot Wilrijk | Free Agent | Retired |
| 20 March 2018 | Benito Raman | Standard Liège | Fortuna Düsseldorf | Undisclosed |
| 20 March 2018 | Sambou Yatabaré | Werder Bremen | Antwerp | Undisclosed |
| 29 March 2018 | Mamadou Bagayoko | OH Leuven | Mechelen | Undisclosed |

### April 2018

| Date | Name | Moving from | Moving to | Fee |
| 3 April 2018 | Marco Bürki | Young Boys | Zulte Waregem | Undisclosed |
| 4 April 2018 | David Rozehnal | Oostende | Free Agent | Retired |
| 5 April 2018 | Moustapha Bayal Sall | Antwerp | Free Agent | Released |
| 9 April 2018 | Erdin Demir | Waasland-Beveren | Zulte Waregem | Undisclosed |
| 9 April 2018 | Hicham Faik | Excelsior | Zulte Waregem | Undisclosed |
| 12 April 2018 | Paul Keita | Mezőkövesd | Waasland-Beveren | Undisclosed |
| 12 April 2018 | Arjan Swinkels | Beerschot Wilrijk | Mechelen | Undisclosed |
| 14 April 2018 | Yevhen Makarenko | Kortrijk | Anderlecht | Undisclosed |
| 14 April 2018 | Trezeguet | Anderlecht | Kasımpaşa | €2 000 000 |
| 16 April 2018 | Kristal Abazaj | Skënderbeu Korçë | Anderlecht | €750 000 |
| 16 April 2018 | Giel Deferm | Lommel | Thes Sport | Free |
| 16 April 2018 | Emeric Dudouit | Tubize | Beerschot Wilrijk | Undisclosed |
| 18 April 2018 | Yan De Maeyer | Beerschot Wilrijk | Rupel Boom | Undisclosed |
| 19 April 2018 | Jarno De Smet | Lommel | Kortrijk | Undisclosed |
| 19 April 2018 | François Maistriaux | Couvin-Mariembourg | Charleroi | Undisclosed |
| 20 April 2018 | Matisse Didden | Patro Eisden Maasmechelen | Genk | Undisclosed |
| 20 April 2018 | Andile Jali | Oostende | Free Agent | Released |
| 20 April 2018 | Milan Massop | Excelsior | Waasland-Beveren | Undisclosed |
| 20 April 2018 | Leandro Pereira | Club Brugge | Chapecoense | Loan |
| 22 April 2018 | Ben Santermans | Den Bosch | Lommel | Undisclosed |
| 25 April 2018 | Elias Cobbaut | Mechelen | Anderlecht | €3 000 000 |
| 25 April 2018 | Joran Triest | Lokeren | Hamme | Undisclosed |
| 26 April 2018 | Djihad Bizimana | APR | Waasland-Beveren | Undisclosed |
| 28 April 2018 | Bram Castro | Heracles | Mechelen | Undisclosed |
| 29 April 2018 | Benjamin De Ceulaer | Westerlo | Eendracht Termien | Released |
| 30 April 2018 | Jordi Maus | Lommel | Oosterzonen Oosterwijk | Undisclosed |
| 30 April 2018 | Davy Roef | Anderlecht | Waasland-Beveren | Loan Extended |
| 30 April 2018 | Nikola Storm | Club Brugge | Mechelen | Undisclosed |
| 30 April 2018 | Dani Wilms | Mechelen | Beerschot Wilrijk | Undisclosed |

### May 2018

| Date | Name | Moving from | Moving to | Fee |
| 2 May 2018 | Guillaume De Schryver | Cercle Brugge | Westerlo | Undisclosed |
| 4 May 2018 | Davy Brouwers | Roeselare | Thes Sport | Undisclosed |
| 8 May 2018 | Konstantinos Laifis | Olympiacos | Standard Liège | Undisclosed |
| 8 May 2018 | Dieumerci Ndongala | Standard Liège | Genk | Undisclosed |
| 9 May 2018 | Lucas Damblon | Sint-Truiden | Rupel Boom | Undisclosed |
| 9 May 2018 | Alexis Gamboa | Santos de Guápiles | Waasland-Beveren | Undisclosed |
| 9 May 2018 | Andreas Suederick | OH Leuven | Pepingen-Halle | Free |
| 9 May 2018 | Axel Swerten | Lommel | Patro Eisden Maasmechelen | Undisclosed |
| 14 May 2018 | Jakub Piotrowski | Pogoń Szczecin | Genk | Undisclosed |
| 14 May 2018 | Ivo Rodrigues | Porto | Antwerp | Undisclosed |
| 14 May 2018 | Uroš Vitas | Mechelen | Free Agent | Contract Terminated |
| 15 May 2018 | Youcef Attal | Paradou | Kortrijk | Undisclosed |
| 15 May 2018 | Ishak Belfodil | Standard Liège | TSG 1899 Hoffenheim | Undisclosed |
| 15 May 2018 | Igor de Camargo | APOEL | Mechelen | Undisclosed |
| 15 May 2018 | Sindrit Guri | Kukësi | Oostende | €710 000 |
| 15 May 2018 | Oscar Threlkeld | Plymouth Argyle | Waasland-Beveren | Undisclosed |
| 15 May 2018 | Mike Vanhamel | Oostende | Beerschot Wilrijk | Undisclosed |
| 16 May 2018 | Quentin Laurent | Tubize | Châtelet | Undisclosed |
| 16 May 2018 | Lamine Ndao | Quevilly-Rouen | Waasland-Beveren | Undisclosed |
| 17 May 2018 | Laurent Lemoine | Club Brugge | Mechelen | Undisclosed |
| 18 May 2018 | Jean Butez | Lille | Excel Mouscron | Free |
| 18 May 2018 | Mégan Laurent | Lierse | Eupen | Free |
| 20 May 2018 | Loris Brogno | Sparta Rotterdam | Beerschot Wilrijk | Undisclosed |
| 21 May 2018 | Aleksandar Vukotić | Krupa | Waasland-Beveren | Undisclosed |
| 22 May 2018 | Simon Bammens | Olympia Wijgmaal | Westerlo | Undisclosed |
| 22 May 2018 | Pierre Bourdin | Lierse | Beerschot Wilrijk | Free |
| 22 May 2018 | Sebastiaan De Wilde | Eindhoven | Lommel | Undisclosed |
| 22 May 2018 | Aristote Nkaka | Oostende | Anderlecht | Undisclosed |
| 22 May 2018 | Aristote Nkaka | Anderlecht | Oostende | Loan |
| 22 May 2018 | Mickaël Tirpan | Eupen | Lokeren | Undisclosed |
| 22 May 2018 | Lukas Van Eenoo | Kortrijk | Westerlo | Undisclosed |
| 23 May 2018 | Luka Adžić | Red Star Belgrade | Anderlecht | Undisclosed |
| 23 May 2018 | Antonio Milić | Oostende | Anderlecht | Undisclosed |
| 23 May 2018 | Knowledge Musona | Oostende | Anderlecht | Undisclosed |
| 23 May 2018 | Kenny Saief | Gent | Anderlecht | Undisclosed |
| 23 May 2018 | Uroš Spajić | Anderlecht | Krasnodar | Undisclosed |
| 24 May 2018 | Daan Heymans | Westerlo | Waasland-Beveren | Undisclosed |
| 24 May 2018 | Stallone Limbombe | Antwerp | Gent | Free |
| 24 May 2018 | Jellert van Landschoot | Club Brugge | OH Leuven | Loan |
| 22 May 2018 | Dieter Creemers | Lokeren | Lommel | Undisclosed |
| 26 May 2018 | Jonathan Bolingi | Standard Liège | Antwerp | Undisclosed |
| 27 May 2018 | Noël Soumah | Gent | Westerlo | Undisclosed |
| 28 May 2018 | Jonathan Kindermans | Mechelen | RWDM47 | Undisclosed |
| 28 May 2018 | Antoine Lejoly | Standard Liège | Beerschot Wilrijk | Undisclosed |
| 29 May 2018 | Jeroen Goor | Westerlo | Olympia Wijgmaal | Loan |
| 29 May 2018 | Grégory Grisez | Roeselare | Beerschot Wilrijk | Undisclosed |
| 29 May 2018 | Brian Hämäläinen | Zulte Waregem | Dynamo Dresden | Free |
| 29 May 2018 | Mats Rits | Mechelen | Club Brugge | €2 000 000 |
| 30 May 2018 | Ali Gholizadeh | Saipa | Charleroi | Undisclosed |
| 31 May 2018 | Lilian Bochet | Roeselare | Olympic Charleroi | Undisclosed |
| 31 May 2018 | Andrei Camargo | Lierse | Roeselare | Free |
| 31 May 2018 | Mehdi Carcela | Granada | Standard Liège | Undisclosed |
| 31 May 2018 | Mathieu Dossevi | Standard Liège | Metz | Undisclosed |
| 31 May 2018 | Olivier Myny | Waasland-Beveren | OH Leuven | Undisclosed |
| 31 May 2018 | Julian Schauerte | Fortuna Düsseldorf | Eupen | Undisclosed |
| 31 May 2018 | Mikael Seoudi | Roeselare | Olympic Charleroi | Undisclosed |

### End of 2017–18 season

After the end of the 2017–18 season, several players will return from loan to another club or will not have their contracts extended. These will be listed here when the date is otherwise not specified.
| Date | Name | Moving from | Moving to | Fee |
| End of 2017–18 season | Karim Achahbar | Tubize | Guingamp | Loan Return |
| End of 2017–18 season | Younes Achter | Antwerp | City Pirates | End of contract |
| End of 2017–18 season | Rachid Aït-Atmane | Waasland-Beveren | Gijón | Loan Return |
| End of 2017–18 season | Chuba Akpom | Sint-Truiden | Arsenal | Loan Return |
| End of 2017–18 season | Victorien Angban | Waasland-Beveren | Chelsea | Loan Return |
| End of 2017–18 season | Joaquín Ardaiz | Antwerp | El Tanque Sisley | Loan Return |
| End of 2017–18 season | Panos Armenakas | Tubize | Udinese | Loan Return |
| End of 2017–18 season | Souleymane Aw | Roeselare | Eupen | Loan Return |
| End of 2017–18 season | Benjamin Bambi | Heist | OH Leuven | Loan Return |
| End of 2017–18 season | Benjamin Boulenger | OH Leuven | Charleroi | Loan Return |
| End of 2017–18 season | Fabien Camus | Mechelen | Free Agent | End of contract |
| End of 2017–18 season | Maxence Carlier | Tubize | Lens | Loan Return |
| End of 2017–18 season | Adriano Cipollina | Union SG | Free Agent | End of contract |
| End of 2017–18 season | Jordy Clasie | Club Brugge | Southampton | Loan Return |
| End of 2017–18 season | Alexander Corryn | Antwerp | Mechelen | Loan Return |
| End of 2017–18 season | Niels Coussement | Cercle Brugge | Zwevezele | Free |
| End of 2017–18 season | Crysan | Cercle Brugge | Atlético Paranaense | Loan Return |
| End of 2017–18 season | Anthony D'Alberto | Charleroi | Braga B | Loan Return |
| End of 2017–18 season | Ritchie De Laet | Antwerp | Aston Villa | Loan Return |
| End of 2017–18 season | Lennert De Smul | Kortrijk | Free Agent | End of contract |
| End of 2017–18 season | Aaron Dhondt | Waasland-Beveren | Knokke | Undisclosed |
| End of 2017–18 season | Mamadou Diallo | Union SG | Free Agent | End of contract |
| End of 2017–18 season | Abdel Diarra | Beerschot Wilrijk | Free Agent | Released |
| End of 2017–18 season | Elderson Echiéjilé | Cercle Brugge | Monaco | Loan Return |
| End of 2017–18 season | Jordy Gaspar | Cercle Brugge | Monaco | Loan Return |
| End of 2017–18 season | Bo Geens | Lokeren | Free Agent | End of contract |
| End of 2017–18 season | Merveille Goblet | Waasland-Beveren | Free Agent | End of contract |
| End of 2017–18 season | Dimitris Goutas | Sint-Truiden | Olympiacos | Loan Return |
| End of 2017–18 season | Ewout Gouw | Tubize | Free Agent | End of contract |
| End of 2017–18 season | Babacar Guèye | Sint-Truiden | Hannover 96 | Loan Return |
| End of 2017–18 season | Ibou | Tubize | Free Agent | Released |
| End of 2017–18 season | Emmanuel Imorou | Cercle Brugge | Caen | Loan Return |
| End of 2017–18 season | Wolke Janssens | Lierse | Sint-Truiden | Loan Return |
| End of 2017–18 season | Dico Jap Tjong | OH Leuven | Free Agent | End of contract |
| End of 2017–18 season | Nathan Kabasele | Union SG | Gazişehir Gaziantep | Loan Return |
| End of 2017–18 season | Mohamed Kané | Tubize | Metz | Loan Return |
| End of 2017–18 season | Stelios Kitsiou | Sint-Truiden | PAOK | Loan Return |
| End of 2017–18 season | Mamadou Koné | Eupen | Leganés | Loan Return |
| End of 2017–18 season | Miloš Kosanović | Göztepe | Standard Liège | Loan Return |
| End of 2017–18 season | Giorgos Koutroubis | Standard Liège | Free Agent | End of contract |
| End of 2017–18 season | Mulopo Kudimbana | Union SG | Free Agent | End of contract |
| End of 2017–18 season | Sébastien Locigno | Excel Mouscron | Free Agent | End of contract |
| End of 2017–18 season | Lazar Marković | Anderlecht | Liverpool | Loan Return |
| End of 2017–18 season | Jordan Massengo | Union SG | Free Agent | End of contract |
| End of 2017–18 season | Kule Mbombo | Vita Club | Beerschot Wilrijk | Loan Extended |
| End of 2017–18 season | Jean Alassane Mendy | Lokeren | Free Agent | Released |
| End of 2017–18 season | Teddy Mézague | Excel Mouscron | Free Agent | End of contract |
| End of 2017–18 season | Tristan Muyumba | Cercle Brugge | Monaco | Loan Return |
| End of 2017–18 season | Grégoire Neels | Union SG | Free Agent | End of contract |
| End of 2017–18 season | Leo Njengo | Dessel Sport | OH Leuven | Loan Return |
| End of 2017–18 season | Godwin Odibo | OH Leuven | Free Agent | End of contract |
| End of 2017–18 season | Henry Onyekuru | Anderlecht | Everton | Loan Return |
| End of 2017–18 season | Nicolas Orye | Heist | Waasland-Beveren | Loan Return |
| End of 2017–18 season | Randal Oto'o | Braga | Westerlo | Undisclosed |
| End of 2017–18 season | Erik Palmer-Brown | Kortrijk | Manchester City | Loan Return |
| End of 2017–18 season | Laurens Paulussen | Mechelen | Free Agent | End of contract |
| End of 2017–18 season | Mathieu Peybernes | Eupen | Lorient | Loan Return |
| End of 2017–18 season | Ethan Poulain | La Louvière Centre | Charleroi | Loan Return |
| End of 2017–18 season | Zotsara Randriambololona | Roeselare | Antwerp | Loan Return |
| End of 2017–18 season | Roberto | Antwerp | Free Agent | End of contract |
| End of 2017–18 season | Rafael Romo | Beerschot Wilrijk | APOEL | Loan Return |
| End of 2017–18 season | Steve Ryckaert | Tubize | Sint-Truiden | Loan Return |
| End of 2017–18 season | Ivan Šaponjić | Zulte Waregem | Benfica | Loan Return |
| End of 2017–18 season | Rauno Sappinen | Beerschot Wilrijk | Flora | Loan Return |
| End of 2017–18 season | Sidy Sarr | Kortrijk | Free Agent | End of contract |
| End of 2017–18 season | Matz Sels | Anderlecht | Newcastle United | Loan Return |
| End of 2017–18 season | Timmy Simons | Club Brugge | Free Agent | Retired |
| End of 2017–18 season | Iebe Swers | Lommel | Sint-Truiden | Loan Return |
| End of 2017–18 season | Collins Tanor | Beerschot Wilrijk | Manchester City | Loan Return |
| End of 2017–18 season | Tesfaldet Tekie | Östersund | Gent | Loan Return |
| End of 2017–18 season | Mario Tičinović | Hajduk Split | Lokeren | Loan Return |
| End of 2017–18 season | Holly Tshimanga | Genk | Free Agent | End of contract |
| End of 2017–18 season | Victor Vandewiele | Oostende | Free Agent | End of contract |
| End of 2017–18 season | Senne Van Dooren | Berchem Sport | Waasland-Beveren | Loan Return |
| End of 2017–18 season | Bryan Verboom | Kortrijk | Zulte Waregem | Loan Return |
| End of 2017–18 season | Kenneth Vermeer | Club Brugge | Feyenoord | Loan Return |
| End of 2017–18 season | Igor Vetokele | Sint-Truiden | Charlton Athletic | Loan Return |
| End of 2017–18 season | Sandro Wieser | Roeselare | Reading | Loan Return |
| End of 2017–18 season | Simon Zenke | Tubize | Free Agent | End of contract |

### June 2018

| Date | Name | Moving from | Moving to | Fee |
| 1 June 2018 | Michaël Clepkens | Beerschot Wilrijk | Knokke | Free |
| 2 June 2018 | Karlo Lulić | Rudeš | Waasland-Beveren | Undisclosed |
| 4 June 2018 | Samuel Gigot | Gent | Spartak Moscow | Undisclosed |
| 4 June 2018 | Tibo Persyn | Club Brugge | Inter Milan | Undisclosed |
| 5 June 2018 | Héritier Luvumbu | Union SG | FAR Rabat | Free |
| 5 June 2018 | Stefan Mitrović | Gent | Strasbourg | Undisclosed |
| 6 June 2018 | Omid Noorafkan | Esteghlal | Charleroi | Undisclosed |
| 6 June 2018 | Christian Osaguona | Westerlo | Umm Salal | Undisclosed |
| 7 June 2018 | Frédéric Duplus | Lens | OH Leuven | Undisclosed |
| 7 June 2018 | Arnaut Danjuma | NEC | Club Brugge | Undisclosed |
| 7 June 2018 | Xavi Molina | Gimnàstic | Eupen | Undisclosed |
| 7 June 2018 | Ben Yagan | Dessel Sport | Roeselare | Undisclosed |
| 8 June 2018 | Franck Berrier | Oostende | Mechelen | Undisclosed |
| 8 June 2018 | Siebe Schrijvers | Genk | Club Brugge | Undisclosed |
| 9 June 2018 | Anders Christiansen | Gent | Malmö | Undisclosed |
| 9 June 2018 | Axel Leers | Union SG | Virton | Undisclosed |
| 11 June 2018 | Eliot Matazo | Anderlecht | Monaco | Undisclosed |
| 11 June 2018 | Joseph Paintsil | Ferencváros | Genk | Undisclosed |
| 11 June 2018 | Tobias Salquist | Silkeborg | Waasland-Beveren | Undisclosed |
| 12 June 2018 | Daniel Christensen | Westerlo | Vendsyssel | Free |
| 12 June 2018 | Thomas Didillon | Metz | Anderlecht | Undisclosed |
| 12 June 2018 | Fazlı Kocabaş | Wallonia Walhain | Roeselare | Undisclosed |
| 12 June 2018 | Ihor Plastun | Ludogorets Razgrad | Gent | Undisclosed |
| 13 June 2018 | Faysel Kasmi | Waterford | Beerschot Wilrijk | Undisclosed |
| 13 June 2018 | Andy Kawaya | Mechelen | Avellino | Free |
| 13 June 2018 | Goran Milović | Chongqing Dangdai Lifan | Oostende | Undisclosed |
| 13 June 2018 | Paul Nardi | Monaco | Cercle Brugge | Loan Extended |
| 14 June 2018 | Samuel Bastien | Chievo Verona | Standard Liège | Undisclosed |
| 14 June 2018 | Alessandro Cerigioni | Waasland-Beveren | Lommel | Undisclosed |
| 14 June 2018 | Samy Kehli | Lokeren | OH Leuven | Undisclosed |
| 14 June 2018 | Mićo Kuzmanović | Sarajevo | Excel Mouscron | Undisclosed |
| 14 June 2018 | Luka Luković | Bačka | Excel Mouscron | Undisclosed |
| 14 June 2018 | Robin Mantel | ASV Geel | Lokeren | Undisclosed |
| 14 June 2018 | François Marquet | Waasland-Beveren | Oostende | Free |
| 14 June 2018 | Duckens Nazon | Wolverhampton Wanderers | Sint-Truiden | Undisclosed |
| 14 June 2018 | Jonas Vinck | Lierse | Lommel | Free |
| 15 June 2018 | Yady Bangoura | Union SG | RFC Liège | Undisclosed |
| 15 June 2018 | Lucas Bijker | Cádiz | Mechelen | Undisclosed |
| 15 June 2018 | Indy Boonen | Manchester United | Oostende | Undisclosed |
| 15 June 2018 | Stijn De Smet | Kortrijk | Roeselare | Free |
| 15 June 2018 | Karlo Letica | Hajduk Split | Club Brugge | Undisclosed |
| 15 June 2018 | Damien Mouchamps | Eupen | RFC Liège | Free |
| 15 June 2018 | Aboud Omar | Slavia Sofia | Cercle Brugge | Undisclosed |
| 15 June 2018 | Mikael Soisalo | Middlesbrough | Zulte Waregem | Undisclosed |
| 16 June 2018 | Kévin Appin | Monaco | Cercle Brugge | Loan |
| 16 June 2018 | Nils Bouekou | Créteil | Union SG | Undisclosed |
| 16 June 2018 | Yoann Etienne | Monaco | Cercle Brugge | Loan |
| 16 June 2018 | Jeffrey Ket | Lommel | Quick Boys | Loan |
| 16 June 2018 | Pierre-Daniel N'Guinda | Monaco | Cercle Brugge | Loan |
| 16 June 2018 | Luciano Slagveer | Lokeren | Emmen | Loan |
| 17 June 2018 | Anders Kristiansen | Sarpsborg 08 | Union SG | Undisclosed |
| 17 June 2018 | Danijel Milićević | Gent | Eupen | Undisclosed |
| 17 June 2018 | Urho Nissilä | KuPS | Zulte Waregem | Undisclosed |
| 18 June 2018 | Aurélio Buta | Benfica | Antwerp | Undisclosed |
| 18 June 2018 | Odeni George | Eupen | Free Agent | End of contract |
| 18 June 2018 | Denzel Jubitana | Mechelen | Waasland-Beveren | Undisclosed |
| 18 June 2018 | Sava Petrov | Spartak Subotica | Westerlo | Undisclosed |
| 19 June 2018 | Jonathan Buatu Mananga | Waasland-Beveren | Rio Ave | Undisclosed |
| 19 June 2018 | Omar Colley | Genk | Sampdoria | Undisclosed |
| 19 June 2018 | Augusto Da Silva | Union SG | Lierse Kempenzonen | Undisclosed |
| 19 June 2018 | Laurent Jans | Waasland-Beveren | Metz | Undisclosed |
| 19 June 2018 | Clinton Mata | Charleroi | Club Brugge | Undisclosed |
| 19 June 2018 | Riley McGree | Club Brugge | Melbourne City | Loan |
| 19 June 2018 | Vladimir Screciu | Universitatea Craiova | Genk | Undisclosed |
| 19 June 2018 | Tarik Tissoudali | Le Havre | Beerschot Wilrijk | Undisclosed |
| 19 June 2018 | Michael Verrips | Sparta Rotterdam | Mechelen | Undisclosed |
| 20 June 2018 | Carlens Arcus | Cercle Brugge | Auxerre | Undisclosed |
| 20 June 2018 | Alexandre De Bruyn | Lommel | Sint-Truiden | Undisclosed |
| 20 June 2018 | Kenneth Houdret | Union SG | Avellino | Free |
| 20 June 2018 | Elliott Moore | Leicester City | OH Leuven | Loan Extended |
| 20 June 2018 | Steven Pinto-Borges | Grenoble | Union SG | Undisclosed |
| 20 June 2018 | Eric Smith | Norrköping | Gent | Undisclosed |
| 20 June 2018 | Guévin Tormin | Monaco | Cercle Brugge | Loan Extended |
| 20 June 2018 | Hadamou Traoré | Drancy | Union SG | Undisclosed |
| 20 June 2018 | Jonas Vinck | Lommel | Free Agent | Contract Terminated |
| 20 June 2018 | Ognjen Vranješ | AEK Athens | Anderlecht | Undisclosed |
| 21 June 2018 | Henrik Bjørdal | Brighton & Hove Albion | Zulte Waregem | Undisclosed |
| 21 June 2018 | Youssef Boulaouali | Beerschot Wilrijk | Lierse Kempenzonen | Undisclosed |
| 21 June 2018 | Enzo D'Alberto | Anderlecht | Union SG | Undisclosed |
| 21 June 2018 | Bambo Diaby | Sampdoria | Lokeren | Undisclosed |
| 21 June 2018 | Jean-Luc Dompé | Standard Liège | Gent | Undisclosed |
| 21 June 2018 | Idrissa Doumbia | Anderlecht | Akhmat Grozny | Undisclosed |
| 21 June 2018 | Wout Faes | Anderlecht | Oostende | Undisclosed |
| 21 June 2018 | Lior Inbrum | Gent | Beitar Jerusalem | Loan |
| 21 June 2018 | Gökhan Kardeş | PSV | Beerschot Wilrijk | Undisclosed |
| 21 June 2018 | Alexandros Katranis | Saint-Étienne | Excel Mouscron | Loan |
| 21 June 2018 | Ilias Moutha-Sebtaoui | Manchester United | Anderlecht | Undisclosed |
| 21 June 2018 | Jorn Vancamp | Anderlecht | Beerschot Wilrijk | Undisclosed |
| 22 June 2018 | Ahmed El Messaoudi | Mechelen | Fortuna Sittard | Loan |
| 22 June 2018 | George Hirst | Sheffield Wednesday | OH Leuven | Free |
| 22 June 2018 | Ahmed Mostafa | Petrojet | Gent | Undisclosed |
| 22 June 2018 | Gilles Ruyssen | Lommel | RWDM47 | Undisclosed |
| 22 June 2018 | Dante Vanzeir | Genk | Beerschot Wilrijk | Loan |
| 22 June 2018 | Ivan Yagan | Lierse | Eupen | Free |
| 23 June 2018 | Elton Acolatse | Club Brugge | Sint-Truiden | Undisclosed |
| 24 June 2018 | Antoine Bernier | Anderlecht | Antwerp | Undisclosed |
| 24 June 2018 | Thomas Buffel | Genk | Zulte Waregem | Free |
| 25 June 2018 | Kevin Debaty | Antwerp | Waasland-Beveren | Free |
| 25 June 2018 | Ambroise Gboho | Les Herbiers | Westerlo | Undisclosed |
| 25 June 2018 | Tom Rosenthal | Dordrecht | Tubize | Undisclosed |
| 25 June 2018 | Kenny van der Weg | Hamilton Academical | Roeselare | Undisclosed |
| 25 June 2018 | Zinho Vanheusden | Internazionale | Standard Liège | Loan Extended |
| 26 June 2018 | Georgi Chelidze | Dynamo Moscow | Tubize | Undisclosed |
| 26 June 2018 | David Pollet | Charleroi | Eupen | Loan |
| 26 June 2018 | Marc Valiente | Eupen | Partizan | Undisclosed |
| 27 June 2018 | Michaël Lallemand | Kortrijk | Deinze | Free |
| 27 June 2018 | Divine Naah | Manchester City | Tubize | Free |
| 27 June 2018 | Fabrice Ondoa | Sevilla Atlético | Oostende | Undisclosed |
| 27 June 2018 | Jérémy Perbet | Club Brugge | Charleroi | Undisclosed |
| 28 June 2018 | Franck Irie | Monaco | Cercle Brugge | Undisclosed |
| 28 June 2018 | Cheick Keita | Birmingham City | Eupen | Loan |
| 28 June 2018 | Senna Miangue | Cagliari | Standard Liège | Loan |
| 28 June 2018 | Idrisa Sambú | Spartak Moscow | Excel Mouscron | Loan |
| 28 June 2018 | Thallyson | Novorizontino | Sint-Truiden | Undisclosed |
| 28 June 2018 | Simon Vermeiren | Lommel | Lierse Kempenzonen | Undisclosed |
| 29 June 2018 | Colin Coosemans | Mechelen | Gent | Undisclosed |
| 29 June 2018 | Aleksa Damjanac | Mallorca B | Excel Mouscron | Undisclosed |
| 29 June 2018 | Gustav Engvall | Bristol City | Mechelen | Undisclosed |
| 29 June 2018 | Murad Han Gönen | Club Brugge | Tubize | Undisclosed |
| 29 June 2018 | Thomas Henry | Chambly | Tubize | Undisclosed |
| 29 June 2018 | Aaron Leya Iseka | Anderlecht | Toulouse | Undisclosed |
| 29 June 2018 | Mario Ortiz Ruiz | Cultural Leonesa | Eupen | Undisclosed |
| 29 June 2018 | Quintijn Steelant | Beerschot Wilrijk | Dikkelvenne | Free |
| 29 June 2018 | Florian Tardieu | Sochaux-Montbéliard | Zulte Waregem | Undisclosed |
| 29 June 2018 | Jens Teunckens | Club Brugge | Antwerp | Undisclosed |
| 29 June 2018 | William Togui | Gagnoa | Mechelen | Undisclosed |
| 30 June 2018 | Senne Lynen | Club Brugge | Telstar | Undisclosed |

### July 2018

| Date | Name | Moving from | Moving to | Fee |
| 1 July 2018 | Samy Mmaee | Standard Liège | Sint-Truiden | Undisclosed |
| 1 July 2018 | Luan Peres Petroni | Ituano | Club Brugge | Undisclosed |
| 1 July 2018 | Federico Vega | Lorca | Union SG | Undisclosed |
| 2 July 2018 | Beni Badibanga | Standard Liège | Waasland-Beveren | Free |
| 2 July 2018 | Geert Berben | OH Leuven | Lommel | Undisclosed |
| 2 July 2018 | Landry Dimata | VfL Wolfsburg | Anderlecht | Loan |
| 2 July 2018 | Zinho Gano | Oostende | Genk | Undisclosed |
| 3 July 2018 | Zakaria Bakkali | Valencia | Anderlecht | Undisclosed |
| 3 July 2018 | Alexandru Chipciu | Anderlecht | Sparta Prague | Loan |
| 3 July 2018 | Gaëtan Coucke | Genk | Lommel | Loan |
| 3 July 2018 | Anthony Lippini | Tours | Tubize | Undisclosed |
| 3 July 2018 | Ivan Santini | Caen | Anderlecht | Undisclosed |
| 3 July 2018 | Niels Verburgh | Club Brugge | Roda JC | Undisclosed |
| 3 July 2018 | Marten Wilmots | Standard Liège | Avellino | Undisclosed |
| 4 July 2018 | Thomas Azevedo | OH Leuven | Lommel | Free |
| 4 July 2018 | Théo Bongonda | Celta de Vigo | Zulte Waregem | Undisclosed |
| 4 July 2018 | Irvin Cardona | Monaco | Cercle Brugge | Loan Extended |
| 4 July 2018 | Luis Pedro Cavanda | Galatasaray | Standard Liège | Undisclosed |
| 4 July 2018 | Dimitris Kolovos | Mechelen | Willem II | Loan |
| 4 July 2018 | Marcel Mehlem | Karlsruher SC | Union SG | Undisclosed |
| 5 July 2018 | Lucas Alfieri | Club Brugge | Tubize | Undisclosed |
| 5 July 2018 | Carlos David Moreno | Huesca | Union SG | Undisclosed |
| 5 July 2018 | Christophe Janssens | Genk | Westerlo | Undisclosed |
| 5 July 2018 | Elton Kabangu | Gent | Eindhoven | Loan Extended |
| 5 July 2018 | Arnaud Lusamba | Nice | Cercle Brugge | Loan |
| 5 July 2018 | Pieter-Jan Monteyne | Roeselare | Hamme | Free |
| 5 July 2018 | Tino-Sven Sušić | Antwerp | VVV | Free |
| 6 July 2018 | Sam Hendriks | Go Ahead Eagles | OH Leuven | Undisclosed |
| 6 July 2018 | Vagner | Excel Mouscron | Qarabağ | Undisclosed |
| 7 July 2018 | Stéphane Badji | Anderlecht | Bursaspor | Undisclosed |
| 8 July 2018 | Mario Babić | Tubize | Široki Brijeg | Undisclosed |
| 8 July 2018 | Nikola Jambor | Lokeren | Rio Ave | Undisclosed |
| 8 July 2018 | Deiver Machado | Gent | Atlético Nacional | Loan |
| 8 July 2018 | Milan Savić | Red Star Belgrade | Mechelen | Undisclosed |
| 9 July 2018 | Danzell Gravenberch | Reading | Roeselare | Loan Extended |
| 9 July 2018 | Dylan Lambrecth | Anderlecht | Free Agent | Released |
| 9 July 2018 | Fashion Sakala | Spartak Moscow | Oostende | Undisclosed |
| 10 July 2018 | Abdelrafik Gérard | Lens | Union SG | Undisclosed |
| 10 July 2018 | Takahiro Sekine | Ingolstadt 04 | Sint-Truiden | Loan |
| 10 July 2018 | Din Sula | OH Leuven | Waasland-Beveren | Undisclosed |
| 11 July 2018 | Pol García | Juventus | Sint-Truiden | Undisclosed |
| 11 July 2018 | Ilombe Mboyo | Sion | Kortrijk | Undisclosed |
| 11 July 2018 | Daniel Opare | FC Augsburg | Antwerp | Free |
| 12 July 2018 | Daniel Graovac | Excel Mouscron | Vojvodina | Free |
| 12 July 2018 | Matheus | Londrina | Antwerp | Undisclosed |
| 12 July 2018 | Sébastien Siani | Antwerp | Al Jazira | Undisclosed |
| 13 July 2018 | Kanu | Omonia | Kortrijk | Undisclosed |
| 13 July 2018 | Dimitri Lavalée | Standard Liège | MVV | Loan |
| 13 July 2018 | Farouk Miya | Standard Liège | Gorica | Undisclosed |
| 13 July 2018 | Mohammad Naderi | Tractor Sazi | Kortrijk | Undisclosed |
| 13 July 2018 | Jean Marco Toualy | Salitas | Kortrijk | Undisclosed |
| 13 July 2018 | Vitinho | Cruzeiro | Cercle Brugge | Undisclosed |
| 16 July 2018 | Romeni Scott Bitsindou | Javor Matis | Lommel | Free |
| 17 July 2018 | Rafidine Abdullah | Cádiz | Waasland-Beveren | Free |
| 17 July 2018 | Youcef Attal | Kortrijk | Nice | Undisclosed |
| 17 July 2018 | Guillaume François | Beerschot Wilrijk | Virton | Free |
| 17 July 2018 | Lemouya Goudiaby | Metz | Tubize | Undisclosed |
| 17 July 2018 | Simen Juklerød | Vålerenga | Antwerp | Undisclosed |
| 17 July 2018 | Yassine Salah | Union SG | Olympic Charleroi | Undisclosed |
| 17 July 2018 | Florent Stevance | Charleroi | Tours | Undisclosed |
| 17 July 2018 | Naomichi Ueda | Kashima Antlers | Cercle Brugge | Undisclosed |
| 18 July 2018 | Giorgi Kvilitaia | Rapid Wien | Gent | Undisclosed |
| 18 July 2018 | Jhon Lucumí | Deportivo Cali | Genk | Undisclosed |
| 19 July 2018 | Gertjan Martens | Union SG | Tubize | Undisclosed |
| 19 July 2018 | Anthony Moris | Mechelen | Virton | Free |
| 19 July 2018 | Leonardo Rocha | Ontinyent | Lommel | Undisclosed |
| 19 July 2018 | Orlando Sá | Henan Jianye | Standard Liège | Undisclosed |
| 20 July 2018 | Glenn Claes | Mechelen | Lommel | Undisclosed |
| 20 July 2018 | Soufiane El Banouhi | Union SG | Lommel | Loan |
| 20 July 2018 | Silvère Ganvoula | Anderlecht | VfL Bochum | Loan |
| 20 July 2018 | Hervé Kage | Kortrijk | Adana Demirspor | Loan |
| 20 July 2018 | Matej Mitrović | Beşiktaş | Club Brugge | Undisclosed |
| 20 July 2018 | Maxim Nys | Waasland-Beveren | Dender EH | Undisclosed |
| 21 July 2018 | Wataru Endo | Urawa Red Diamonds | Sint-Truiden | Undisclosed |
| 21 July 2018 | Rangelo Janga | Gent | Astana | Undisclosed |
| 21 July 2018 | Vadis Odjidja-Ofoe | Olympiacos | Gent | Undisclosed |
| 21 July 2018 | Peter Olayinka | Gent | Slavia Prague | Undisclosed |
| 21 July 2018 | Dorin Rotariu | Club Brugge | AZ | Loan |
| 21 July 2018 | Anton Saroka | Dinamo Minsk | Lokeren | Undisclosed |
| 22 July 2018 | Jens Cools | Waasland-Beveren | Pafos | Free |
| 23 July 2018 | Taiwo Awoniyi | Liverpool | Gent | Loan |
| 23 July 2018 | Max Besuschkow | Eintracht Frankfurt | Union SG | Loan |
| 23 July 2018 | Fran Brodić | Club Brugge | Catania | Undisclosed |
| 23 July 2018 | Dorian Dervite | Bolton Wanderers | Charleroi | Undisclosed |
| 23 July 2018 | Edmilson Junior | Standard Liège | Al-Duhail | Undisclosed |
| 23 July 2018 | Marko Maletić | Roeselare | Dordrecht | Loan |
| 23 July 2018 | Jordi Vanlerberghe | Club Brugge | Oostende | Loan |
| 24 July 2018 | Adrien Bongiovanni | Monaco | Cercle Brugge | Loan |
| 24 July 2018 | Mathieu Cornet | Roeselare | Mechelen | Undisclosed |
| 24 July 2018 | Koni De Winter | Zulte Waregem | Juventus | Undisclosed |
| 24 July 2018 | Jordy Gillekens | OH Leuven | Fiorentina | Loan |
| 24 July 2018 | Didier Lamkel Zé | Chamois Niortais | Antwerp | Undisclosed |
| 24 July 2018 | Jesús Marimón | Once Caldas | Excel Mouscron | Undisclosed |
| 24 July 2018 | Thanasis Papazoglou | Kortrijk | Hapoel Haifa | Free |
| 24 July 2018 | Paolo Sabak | Genk | NEC | Undisclosed |
| 25 July 2018 | Maxime Lestienne | Rubin Kazan | Standard Liège | Undisclosed |
| 26 July 2018 | Francesco Forte | Inter Milan | Waasland-Beveren | Undisclosed |
| 26 July 2018 | Petar Golubović | Novara | Kortrijk | Undisclosed |
| 26 July 2018 | Brendan Hines-Ike | Örebro | Kortrijk | Undisclosed |
| 26 July 2018 | Andi Koshi | PSV | Cercle Brugge | Undisclosed |
| 26 July 2018 | Dennis Van Vaerenbergh | Club Brugge | Dender EH | Undisclosed |
| 26 July 2018 | Nicolas Verdier | Eupen | Laval | Free |
| 27 July 2018 | Kino Delorge | Genk | Dinamo București | Undisclosed |
| 27 July 2018 | Karim Essikal | Beerschot Wilrijk | Eindhoven | Free |
| 27 July 2018 | Frantzdy Pierrot | Colorado Rapids | Excel Mouscron | Undisclosed |
| 28 July 2018 | Banou Diawara | FAR | Tubize | Undisclosed |
| 28 July 2018 | José Manuel García Naranjo | Genk | Tenerife | Undisclosed |
| 28 July 2018 | Ibrahima Sory Sankhon | Horoya | Sint-Truiden | Undisclosed |
| 30 July 2018 | Urtzi Iriondo | Athletic Bilbao B | Union SG | Undisclosed |
| 30 July 2018 | Ben Lederman | Barcelona Juvenil A | Gent | Free |
| 30 July 2018 | Erhan Mašović | Club Brugge | Trenčín | Loan |
| 30 July 2018 | Youssouf Niakaté | Boulogne | Union SG | Undisclosed |
| 30 July 2018 | Branislav Niňaj | Lokeren | Fortuna Sittard | Undisclosed |
| 30 July 2018 | Levan Shengelia | Tubize | Free Agent | Released |
| 31 July 2018 | Pedro Henrique Bueno | Chamois Niortais | Tubize | Loan |
| 31 July 2018 | Jordan Renson | Lommel | Patro Eisden Maasmechelen | Undisclosed |
| 31 July 2018 | Faycal Rherras | Mechelen | Béziers | Free |

### August 2018

| Date | Name | Moving from | Moving to | Fee |
| 1 August 2018 | Yassin Gueroui | Lommel | Mouloudia Oujda | Free |
| 1 August 2018 | Onur Kaya | Zulte Waregem | Mechelen | Undisclosed |
| 1 August 2018 | Flavien Le Postollec | OH Leuven | Deinze | Free |
| 2 August 2018 | Andriy Batsula | Oleksandriya | Kortrijk | Undisclosed |
| 3 August 2018 | Jakub Brabec | Genk | Çaykur Rizespor | Loan |
| 3 August 2018 | Moussa Wagué | Eupen | Barcelona B | Undisclosed |
| 4 August 2018 | Aliko Bala | Zulte Waregem | Hapoel Marmorek | Loan |
| 5 August 2018 | Samuel Kalu | Gent | Bordeaux | Undisclosed |
| 5 August 2018 | Ben Reichert | Zulte Waregem | Ashdod | Loan |
| 6 August 2018 | Nabil Alioui | Monaco | Cercle Brugge | Loan |
| 6 August 2018 | Omri Ben Harush | Maccabi Haifa | Lokeren | Undisclosed |
| 6 August 2018 | Alioune Camara | Iyane Matam | Kortrijk | Undisclosed |
| 6 August 2018 | Romain Habran | Antwerp | Free Agent | Released |
| 6 August 2018 | Đorđe Jovanović | Partizan | Lokeren | Undisclosed |
| 6 August 2018 | Jonathan Pitroipa | Antwerp | Paris | Free |
| 6 August 2018 | Moses Simon | Gent | Levante | Undisclosed |
| 6 August 2018 | Wesley Vanbelle | Cercle Brugge | Lommel | Loan |
| 7 August 2018 | Isaac Kiese Thelin | Anderlecht | Bayer Leverkusen | Loan |
| 7 August 2018 | Miguel Mees | Mechelen | Duffel | Loan |
| 7 August 2018 | Pierre Zebli | Genk | Ascoli | Loan |
| 8 August 2018 | Bernardinho | Westerlo | ASV Geel | Loan |
| 8 August 2018 | Mohamed Buya Turay | Dalkurd | Sint-Truiden | Undisclosed |
| 9 August 2018 | Giorgi Beridze | Gent | Újpest | Loan |
| 9 August 2018 | Leander Dendoncker | Anderlecht | Wolverhampton Wanderers | Loan |
| 9 August 2018 | Nicklas Pedersen | Mechelen | Emmen | Undisclosed |
| 9 August 2018 | Gino van Kessel | Slavia Prague | Roeselare | Undisclosed |
| 10 August 2018 | Christophe Bertjens | Union SG | Bocholt | Free |
| 10 August 2018 | Fredrik Oldrup Jensen | Zulte Waregem | Göteborg | Loan |
| 10 August 2018 | Alexander Scholz | Club Brugge | Midtjylland | Undisclosed |
| 10 August 2018 | Robin Söder | Lokeren | Göteborg | Undisclosed |
| 11 August 2018 | Imoh Ezekiel | Las Palmas | Kortrijk | Undisclosed |
| 12 August 2018 | Tomás Pina Isla | Club Brugge | Alavés | Undisclosed |
| 13 August 2018 | Chris Bedia | Charleroi | Zulte Waregem | Loan |
| 13 August 2018 | Siebe Horemans | Gent | Excelsior | Loan |
| 13 August 2018 | Randall Leal | Mechelen | Deportivo Saprissa | Undisclosed |
| 13 August 2018 | Rémy Riou | Alanyaspor | Charleroi | Undisclosed |
| 13 August 2018 | Mamadou Sylla Diallo | Gent | Zulte Waregem | Loan |
| 15 August 2018 | Gertjan De Mets | Zulte Waregem | Beerschot Wilrijk | Loan |
| 15 August 2018 | Percy Tau | Brighton & Hove Albion | Union SG | Loan |
| 16 August 2018 | Charni Ekangamene | Beerschot Wilrijk | Eindhoven | Free |
| 16 August 2018 | Omar Govea | Porto | Antwerp | Loan |
| 16 August 2018 | Morteza Pouraliganji | Al Sadd | Eupen | Undisclosed |
| 17 August 2018 | Noë Dussenne | Crotone | Excel Mouscron | Undisclosed |
| 17 August 2018 | Łukasz Teodorczyk | Anderlecht | Udinese | Undisclosed |
| 18 August 2018 | Manuel Benson | Genk | Excel Mouscron | Loan |
| 19 August 2018 | Duje Čop | Standard Liège | Valladolid | Loan |
| 19 August 2018 | Yuya Kubo | Gent | 1. FC Nürnberg | Loan |
| 20 August 2018 | Felipe Avenatti | Bologna | Kortrijk | Loan |
| 20 August 2018 | Marko Bakić | Braga | Excel Mouscron | Loan |
| 20 August 2018 | Jérémy Huyghebaert | Excel Mouscron | Neuchâtel Xamax | Loan |
| 20 August 2018 | Héctor Rodas | Cercle Brugge | Alcorcón | Loan |
| 20 August 2018 | Jacques Zoua | Beerschot Wilrijk | Free Agent | Released |
| 21 August 2018 | Kurt Abrahams | Sint-Truiden | Westerlo | Undisclosed |
| 21 August 2018 | Laurens De Bock | Leeds United | Oostende | Loan |
| 21 August 2018 | Abdoulay Diaby | Club Brugge | Sporting Lisbon | Undisclosed |
| 21 August 2018 | Anthony Limbombe | Club Brugge | Nantes | Undisclosed |
| 21 August 2018 | Yuta Koike | Ryutsu Keizai University | Sint-Truiden | Undisclosed |
| 21 August 2018 | Josué Sá | Anderlecht | Kasımpaşa | Loan |
| 22 August 2018 | Anderson Arroyo | Liverpool | Gent | Loan |
| 22 August 2018 | Rocky Bushiri | Oostende | Eupen | Loan |
| 22 August 2018 | Charis Charisis | PAOK | Kortrijk | Loan |
| 22 August 2018 | Samuel Essende | Paris Saint-Germain Academy | Eupen | Loan |
| 22 August 2018 | Mijat Marić | Lokeren | Lugano | Undisclosed |
| 22 August 2018 | Victor Osimhen | VfL Wolfsburg | Charleroi | Loan |
| 22 August 2018 | Kaveh Rezaei | Charleroi | Club Brugge | Undisclosed |
| 23 August 2018 | Joseph Akpala | Oostende | Al-Faisaly | Free |
| 23 August 2018 | Marius Noubissi | Ilves | Beerschot Wilrijk | Undisclosed |
| 23 August 2018 | Octávio | Beerschot Wilrijk | Free Agent | Released |
| 23 August 2018 | Obbi Oularé | Watford | Standard Liège | Loan |
| 23 August 2018 | Jordy Peffer | Mechelen | Dessel Sport | Loan |
| 24 August 2018 | Sofyan Amrabat | Feyenoord | Club Brugge | Undisclosed |
| 24 August 2018 | Lewis Enoh | Lokeren | Politehnica Iași | Undisclosed |
| 24 August 2018 | Javier García Guillén | Cercle Brugge | Free Agent | Released |
| 24 August 2018 | Christophe Vincent | Cercle Brugge | Free Agent | Released |
| 25 August 2018 | Olivier Deschacht | Anderlecht | Lokeren | Free |
| 25 August 2018 | Jordy Lokando | OH Leuven | RWDM47 | Free |
| 25 August 2018 | Dieumerci Mbokani | Dynamo Kyiv | Antwerp | Free |
| 26 August 2018 | Timothy Derijck | Zulte Waregem | Gent | Undisclosed |
| 27 August 2018 | Ramin Rezaeian | Oostende | Free Agent | Released |
| 28 August 2018 | Mathias Bossaerts | Oostende | NEC | Undisclosed |
| 28 August 2018 | Ivan Fiolić | Dinamo Zagreb | Genk | Undisclosed |
| 28 August 2018 | Faïz Selemani | Lorient | Union SG | Undisclosed |
| 29 August 2018 | Stephen Buyl | Cercle Brugge | Westerlo | Undisclosed |
| 29 August 2018 | Amine Khammas | Genk | Den Bosch | Loan |
| 29 August 2018 | James Lawrence | Trenčín | Anderlecht | Undisclosed |
| 29 August 2018 | Mbaye Leye | Eupen | Excel Mouscron | Free |
| 29 August 2018 | Hao Zhang | Beijing Renhe | Standard Liège | Undisclosed |
| 30 August 2018 | Ernest Agyiri | Manchester City | Tubize | Loan |
| 30 August 2018 | Amara Baby | Charleroi | Antwerp | Undisclosed |
| 30 August 2018 | Michiel Jaeken | Westerlo | Dessel Sport | Loan |
| 30 August 2018 | Kara Mbodji | Anderlecht | Nantes | Loan |
| 30 August 2018 | Robert Mühren | Zulte Waregem | NAC Breda | Loan |
| 30 August 2018 | Lior Refaelov | Club Brugge | Antwerp | Undisclosed |
| 30 August 2018 | José Luis Rodríguez | Gent | Deportivo Alavés | Undisclosed |
| 30 August 2018 | Konstantinos Rougalas | Westerlo | Doxa Dramas | Undisclosed |
| 30 August 2018 | Willy Semedo | Charleroi | Roeselare | Loan |
| 30 August 2018 | Anthony Swolfs | Gent | Waasland-Beveren | Loan |
| 30 August 2018 | Joachim Van Damme | Waasland-Beveren | Mechelen | Undisclosed |
| 31 August 2018 | Gabriele Angella | Udinese | Charleroi | Loan |
| 31 August 2018 | Fabien Antunes | Sint-Truiden | Westerlo | Loan |
| 31 August 2018 | Mohammed Aoulad | Wydad | Roeselare | Undisclosed |
| 31 August 2018 | Philip Azango | Trenčín | Gent | Undisclosed |
| 31 August 2018 | Nelson Balongo | Boavista | Sint-Truiden | Undisclosed |
| 31 August 2018 | Fatos Bećiraj | Mechelen | Free Agent | Released |
| 31 August 2018 | Samy Bourard | Sint-Truiden | Eindhoven | Undisclosed |
| 31 August 2018 | Massimo Bruno | RB Leipzig | Charleroi | Undisclosed |
| 31 August 2018 | Sander Coopman | Club Brugge | Oostende | Undisclosed |
| 31 August 2018 | Julien De Sart | Middlesbrough | Kortrijk | Undisclosed |
| 31 August 2018 | Tom De Sutter | Lokeren | Free Agent | Released |
| 31 August 2018 | Yves De Winter | Roeselare | Antwerp | Undisclosed |
| 31 August 2018 | Mamadou Fall | Charleroi | Eupen | Loan |
| 31 August 2018 | Thomas Foket | Gent | Reims | Undisclosed |
| 31 August 2018 | Nader Ghandri | Antwerp | Westerlo | Loan |
| 31 August 2018 | Paul Gladon | Wolverhampton Wanderers | Sint-Truiden | Loan |
| 31 August 2018 | Kylian Hazard | Chelsea | Cercle Brugge | Loan |
| 31 August 2018 | David Henen | Everton | Charleroi | Free |
| 31 August 2018 | Daichi Kamada | Eintracht Frankfurt | Sint-Truiden | Loan |
| 31 August 2018 | Bartosz Kapustka | Leicester City | OH Leuven | Loan |
| 31 August 2018 | Nikos Karelis | Genk | PAOK | Loan |
| 31 August 2018 | Abel Kasong | TP Mazembe | Kortrijk | Loan |
| 31 August 2018 | Prince Kasongo | TP Mazembe | Kortrijk | Loan |
| 31 August 2018 | Redouane Kerrouche | Paris | OH Leuven | Undisclosed |
| 31 August 2018 | Gilles Lentz | Kortrijk | Roeselare | Free |
| 31 August 2018 | Sulayman Marreh | Watford | Eupen | Loan |
| 31 August 2018 | Ryan Mmaee | Standard Liège | AGF | Loan |
| 31 August 2018 | Freddy Mombongo-Dues | Union SG | Patro Eisden Maasmechelen | Free |
| 31 August 2018 | Cherif Ndiaye | Waasland-Beveren | Free Agent | Released |
| 31 August 2018 | Aaron Nemane | Manchester City | Tubize | Loan |
| 31 August 2018 | Adama Niane | Troyes | Charleroi | Undisclosed |
| 31 August 2018 | Nicolas Rajsel | Oostende | Roeselare | Loan |
| 31 August 2018 | Florian Raspentino | Eupen | Free Agent | Released |
| 31 August 2018 | Bubacarr Sanneh | Midtjylland | Anderlecht | Undisclosed |
| 31 August 2018 | Arnaud Souquet | Nice | Gent | Undisclosed |
| 31 August 2018 | Ahmed Touba | Club Brugge | OH Leuven | Loan |
| 31 August 2018 | Ricardo van Rhijn | Club Brugge | AZ | Undisclosed |
| 31 August 2018 | Apostolos Vellios | Nottingham Forest | Waasland-Beveren | Loan |

### September 2018

| Date | Name | Moving from | Moving to | Fee | Note |
| 2 September 2018 | Karel Van Roose | Cercle Brugge | Wingene | Loan | |
| 7 September 2018 | Ofir Davidzada | Gent | Maccabi Tel Aviv | Undisclosed | |

## Sorted by team
### Belgian First Division A teams
#### Anderlecht

| No. | Pos. | Nation | Player |
| — | FW | ALB | Kristal Abazaj (from Skënderbeu Korçë) |
| — | MF | SRB | Luka Adžić (from Red Star Belgrade) |
| — | MF | BEL | Zakaria Bakkali (from Valencia) |
| — | DF | BEL | Elias Cobbaut (from Mechelen) |
| — | GK | FRA | Thomas Didillon (from Metz) |
| — | FW | BEL | Landry Dimata (on loan from VfL Wolfsburg) |
| — | DF | WAL | James Lawrence (from Trenčín) |
| — | DF | UKR | Yevhen Makarenko (from Kortrijk) |
| — | DF | CRO | Antonio Milić (from Oostende) |
| — | GK | BEL | Ilias Moutha-Sebtaoui (from Manchester United) |
| — | FW | ZIM | Knowledge Musona (from Oostende) |
| — | MF | USA | Kenny Saief (was on loan from Gent, now bought) |
| — | DF | GAM | Bubacarr Sanneh (from Midtjylland) |
| — | FW | CRO | Ivan Santini (from Caen) |
| — | DF | BIH | Ognjen Vranješ (from AEK Athens) |
| No. | Pos. | Nation | Player |
| 1 | GK | BEL | Matz Sels (loan return to Newcastle United) |
| 2 | DF | POR | Josué Sá (on loan to Kasımpaşa) |
| 3 | DF | BEL | Olivier Deschacht (to Lokeren) |
| 4 | DF | SEN | Kara Mbodji (on loan to Nantes) |
| 5 | DF | SRB | Uroš Spajić (to Krasnodar) |
| 9 | FW | NGA | Henry Onyekuru (loan return to Everton) |
| 11 | MF | ROU | Alexandru Chipciu (on loan to Sparta Prague) |
| 17 | MF | BEL | Massimo Bruno (loan return to RB Leipzig) |
| 32 | MF | BEL | Leander Dendoncker (on loan to Wolverhampton Wanderers) |
| 35 | FW | CGO | Silvère Ganvoula M'boussy (on loan to VfL Bochum) |
| 50 | MF | SRB | Lazar Marković (loan return to Liverpool) |
| 91 | FW | POL | Łukasz Teodorczyk (to Udinese) |
| — | MF | SEN | Stéphane Badji (was on loan to Kayserispor, now sold to Bursaspor) |
| — | MF | BEL | Antoine Bernier (to Antwerp) |
| — | GK | BEL | Enzo D'Alberto (to Union SG) |
| — | MF | CIV | Idrissa Doumbia (was on loan to Zulte Waregem, now sold to Akhmat Grozny) |
| — | DF | BEL | Wout Faes (was on loan to Excelsior, now sold to Oostende) |
| — | FW | SWE | Isaac Kiese Thelin (was on loan to Waasland-Beveren, now loaned to Bayer Leverkusen) |
| — | FW | BEL | Dylan Lambrecth (was on loan to Waremme, now released) |
| — | FW | BEL | Aaron Leya Iseka (was on loan to Zulte Waregem, now sold to Toulouse) |
| — | MF | BEL | Eliot Matazo (to Monaco) |
| — | FW | BEL | Aristote Nkaka (signed from Oostende, then loaned back) |
| — | GK | BEL | Davy Roef (again on loan to Waasland-Beveren) |
| — | MF | EGY | Trezeguet (was on loan to Kasımpaşa, now sold) |
| — | FW | BEL | Jorn Vancamp (was on loan to Roda JC, now sold to Beerschot Wilrijk) |

#### Antwerp

| No. | Pos. | Nation | Player |
| — | MF | SEN | Amara Baby (from Charleroi) |
| — | MF | BEL | Antoine Bernier (from Anderlecht) |
| — | FW | COD | Jonathan Bolingi (from Standard Liège) |
| — | DF | POR | Aurélio Buta (was on loan from Benfica, now bought) |
| — | GK | BEL | Yves De Winter (from Roeselare) |
| — | MF | MEX | Omar Govea (on loan from Porto) |
| — | DF | NOR | Simen Juklerød (from Vålerenga) |
| — | MF | CMR | Didier Lamkel Zé (from Chamois Niortais) |
| — | DF | BRA | Matheus (was on loan from Londrina, now bought) |
| — | FW | COD | Dieumerci Mbokani (from Dynamo Kyiv) |
| — | DF | GHA | Daniel Opare (from FC Augsburg) |
| — | DF | MAD | Zotsara Randriambololona (loan return from Roeselare) |
| — | MF | ISR | Lior Refaelov (from Club Brugge) |
| — | FW | POR | Ivo Rodrigues (was on loan from Porto, now bought) |
| — | GK | BEL | Jens Teunckens (was on loan from Club Brugge, now bought) |
| — | MF | MLI | Sambou Yatabaré (was on loan from Werder Bremen, now bought) |
| No. | Pos. | Nation | Player |
| 9 | MF | BEL | Stallone Limbombe (to Gent) |
| 10 | MF | FRA | Romain Habran (released) |
| 12 | MF | CMR | Sébastien Siani (to Al Jazira) |
| 16 | DF | SEN | Moustapha Bayal Sall (released) |
| 18 | MF | TUN | Nader Ghandri (on loan to Westerlo) |
| 23 | FW | URU | Joaquín Ardaiz (loan return to El Tanque Sisley) |
| 24 | DF | BEL | Ritchie De Laet (loan return to Aston Villa) |
| 25 | DF | BEL | Alexander Corryn (loan return to Mechelen) |
| 28 | FW | ESP | Roberto (end of contract) |
| 31 | MF | BIH | Tino-Sven Sušić (to VVV) |
| 58 | FW | BEL | Obbi Oularé (loan return to Watford) |
| 89 | GK | BEL | Kevin Debaty (to Waasland-Beveren) |
| 99 | MF | BFA | Jonathan Pitroipa (to Paris) |
| — | MF | BEL | Younes Achter (to City Pirates) |

#### Cercle Brugge

| No. | Pos. | Nation | Player |
| — | FW | FRA | Nabil Alioui (on loan from Monaco) |
| — | MF | FRA | Kévin Appin (on loan from Monaco) |
| — | MF | BEL | Adrien Bongiovanni (on loan from Monaco) |
| — | FW | FRA | Irvin Cardona (again on loan from Monaco) |
| — | DF | FRA | Yoann Etienne (on loan from Monaco) |
| — | MF | BEL | Kylian Hazard (on loan from Chelsea) |
| — | MF | CIV | Franck Irie (from Monaco) |
| — | MF | BEL | Andi Koshi (from PSV) |
| — | MF | FRA | Arnaud Lusamba (on loan from Nice) |
| — | GK | FRA | Paul Nardi (again on loan from Monaco) |
| — | DF | CMR | Pierre-Daniel N'Guinda (on loan from Monaco) |
| — | DF | KEN | Aboud Omar (from Slavia Sofia) |
| — | MF | FRA | Guévin Tormin (again on loan from Monaco) |
| — | DF | JPN | Naomichi Ueda (from Kashima Antlers) |
| — | MF | BRA | Vitinho (from Cruzeiro) |
| No. | Pos. | Nation | Player |
| 3 | DF | BEL | Wesley Vanbelle (on loan to Lommel) |
| 4 | MF | FRA | Tristan Muyumba (loan return to Monaco) |
| 6 | MF | FRA | Christophe Vincent (released) |
| 12 | MF | BRA | Crysan (loan return to Atlético Paranaense) |
| 13 | DF | ESP | Héctor Rodas (on loan to Alcorcón) |
| 20 | MF | ESP | Javier García Guillén (released) |
| 21 | DF | NGA | Elderson Echiéjilé (loan return to Monaco) |
| 24 | MF | BEL | Guillaume De Schryver (to Westerlo) |
| 25 | DF | FRA | Jordy Gaspar (loan return to Monaco) |
| 27 | DF | BEN | Emmanuel Imorou (loan return to Caen) |
| — | DF | HAI | Carlens Arcus (was on loan to Auxerre, now sold) |
| — | FW | BEL | Stephen Buyl (was on loan to Westerlo, now sold) |
| — | DF | BEL | Niels Coussement (was on loan to Knokke, now released to Zwevezele) |
| — | MF | BEL | Karel Van Roose (was on loan to Torhout, now loaned to Wingene) |

#### Charleroi

| No. | Pos. | Nation | Player |
| — | DF | ITA | Gabriele Angella (on loan from Udinese) |
| — | DF | FRA | Benjamin Boulenger (loan return from OH Leuven) |
| — | MF | BEL | Massimo Bruno (from RB Leipzig) |
| — | DF | FRA | Dorian Dervite (from Bolton Wanderers) |
| — | MF | IRN | Ali Gholizadeh (from Saipa) |
| — | MF | BEL | David Henen (from Everton) |
| — | FW | BEL | François Maistriaux (from Couvin-Mariembourg) |
| — | FW | MLI | Adama Niane (from Troyes) |
| — | DF | IRN | Omid Noorafkan (from Esteghlal) |
| — | FW | NGA | Victor Osimhen (on loan from VfL Wolfsburg) |
| — | FW | FRA | Jérémy Perbet (from Club Brugge) |
| — | DF | BEL | Ethan Poulain (loan return from La Louvière Centre) |
| — | GK | FRA | Rémi Riou (from Alanyaspor) |
| No. | Pos. | Nation | Player |
| 2 | DF | BEL | Anthony D'Alberto (loan return to Braga B) |
| 9 | FW | IRN | Kaveh Rezaei (to Club Brugge) |
| 10 | FW | BEL | David Pollet (on loan to Eupen) |
| 18 | MF | SEN | Amara Baby (to Antwerp) |
| 19 | MF | FRA | Willy Semedo (on loan to Roeselare) |
| 77 | MF | SEN | Mamadou Fall (on loan to Eupen) |
| 99 | FW | CIV | Chris Bedia (on loan to Zulte Waregem) |
| — | DF | ANG | Clinton Mata (was on loan to Genk, now sold to Club Brugge) |
| — | FW | FRA | Florent Stevance (was on loan to Tubize, now sold to Tours) |

#### Club Brugge

| No. | Pos. | Nation | Player |
| — | MF | MAR | Sofyan Amrabat (from Feyenoord) |
| — | MF | NED | Arnaut Groeneveld (from NEC) |
| — | GK | CRO | Karlo Letica (from Hajduk Split) |
| — | DF | ANG | Clinton Mata (from Charleroi) |
| — | DF | CRO | Matej Mitrović (was on loan from Beşiktaş, now bought) |
| — | DF | BRA | Luan Peres Petroni (from Ituano) |
| — | FW | IRN | Kaveh Rezaei (from Charleroi) |
| — | MF | BEL | Mats Rits (from Mechelen) |
| — | MF | BEL | Siebe Schrijvers (from Genk) |
| No. | Pos. | Nation | Player |
| 3 | MF | BEL | Timmy Simons (retired) |
| 6 | MF | NED | Jordy Clasie (loan return to Southampton) |
| 8 | MF | ISR | Lior Refaelov (to Antwerp) |
| 10 | FW | MLI | Abdoulay Diaby (to Sporting Lisbon) |
| 13 | DF | DEN | Alexander Scholz (to Midtjylland) |
| 17 | MF | BEL | Anthony Limbombe (to Nantes) |
| 32 | GK | NED | Kenneth Vermeer (loan return to Feyenoord) |
| 40 | MF | BEL | Jordi Vanlerberghe (on loan to Oostende) |
| 55 | MF | SRB | Erhan Mašović (on loan to Trenčín) |
| 96 | MF | BEL | Ahmed Touba (on loan to OH Leuven) |
| — | MF | NED | Elton Acolatse (was on loan to Sint-Truiden, now sold) |
| — | GK | BEL | Lucas Alfieri (to Tubize) |
| — | FW | CRO | Fran Brodić (was on loan to Catania, now sold) |
| — | MF | BEL | Sander Coopman (was on loan to Zulte Waregem, now sold to Oostende) |
| — | MF | TUR | Murad Han Gönen (to Tubize) |
| — | DF | BEL | Laurent Lemoine (was on loan to Roeselare, now sold to Mechelen) |
| — | MF | BEL | Senne Lynen (was on loan to Telstar, now sold) |
| — | MF | AUS | Riley McGree (was on loan to Newcastle Jets, now loaned to Melbourne City) |
| — | FW | FRA | Jérémy Perbet (was on loan to Kortrijk, now sold to Charleroi) |
| — | FW | BRA | Leandro Pereira (was on loan to Sport Recife, now loaned to Chapecoense) |
| — | DF | BEL | Tibo Persyn (to Inter Milan) |
| — | MF | ESP | Tomás Pina Isla (was on loan to Alavés, now sold) |
| — | MF | ROU | Dorin Rotariu (was on loan to Excel Mouscron, now loaned to AZ) |
| — | FW | BEL | Nikola Storm (was on loan to OH Leuven, now sold to Mechelen) |
| — | GK | BEL | Jens Teunckens (was on loan to Antwerp, now sold) |
| — | MF | BEL | Jellert van Landschoot (was on loan to Eindhoven, now loaned to OH Leuven) |
| — | DF | NED | Ricardo van Rhijn (was on loan to AZ, now sold) |
| — | FW | BEL | Dennis Van Vaerenbergh (was on loan to Eindhoven, now sold to Dender EH) |
| — | DF | BEL | Niels Verburgh (was on loan to Waasland-Beveren, now sold to Roda JC) |

#### Eupen

| No. | Pos. | Nation | Player |
| — | DF | SEN | Souleymane Aw (loan return from Roeselare) |
| — | DF | BEL | Rocky Bushiri (on loan from Oostende) |
| — | FW | FRA | Samuel Essende (on loan from Paris Saint-Germain Academy) |
| — | MF | SEN | Mamadou Fall (on loan from Charleroi) |
| — | DF | MLI | Cheick Keita (on loan from Birmingham City) |
| — | MF | BEL | Mégan Laurent (from Lierse) |
| — | MF | GAM | Sulayman Marreh (on loan from Watford) |
| — | MF | BIH | Danijel Milićević (from Gent) |
| — | DF | ESP | Xavi Molina (from Gimnàstic) |
| — | MF | ESP | Mario Ortiz Ruiz (from Cultural Leonesa) |
| — | FW | BEL | David Pollet (on loan from Charleroi) |
| — | DF | IRN | Morteza Pouraliganji (from Al Sadd) |
| — | DF | GER | Julian Schauerte (from Fortuna Düsseldorf) |
| — | FW | ARM | Ivan Yagan (from Lierse) |
| No. | Pos. | Nation | Player |
| 3 | DF | FRA | Mathieu Peybernes (loan return to Lorient) |
| 7 | FW | CIV | Mamadou Koné (loan return to Leganés) |
| 9 | FW | SEN | Mbaye Leye (to Excel Mouscron) |
| 13 | FW | BEL | Damien Mouchamps (to RFC Liège) |
| 15 | DF | SEN | Moussa Wagué (to Barcelona B) |
| 19 | FW | FRA | Florian Raspentino (released) |
| 23 | DF | BEL | Mickaël Tirpan (to Lokeren) |
| 25 | MF | NGA | Odeni George (end of contract) |
| 44 | DF | ESP | Marc Valiente (to Partizan) |
| — | FW | FRA | Nicolas Verdier (was on loan to Mechelen, then released to Laval) |

#### Excel Mouscron

| No. | Pos. | Nation | Player |
| — | MF | MNE | Marko Bakić (on loan from Braga) |
| — | MF | BEL | Manuel Benson (on loan from Genk) |
| — | GK | FRA | Jean Butez (was on loan from Lille, now bought) |
| — | DF | SRB | Aleksa Damjanac (from Mallorca B) |
| — | DF | BEL | Noë Dussenne (from Crotone) |
| — | DF | GRE | Alexandros Katranis (on loan from Saint-Étienne) |
| — | MF | BIH | Mićo Kuzmanović (from Sarajevo) |
| — | FW | SEN | Mbaye Leye (from Eupen) |
| — | MF | SRB | Luka Luković (from Bačka) |
| — | MF | COL | Jesús Marimón (from Once Caldas) |
| — | MF | BEL | Luca Napoleone (from Heist) |
| — | FW | HAI | Frantzdy Pierrot (from Colorado Rapids) |
| — | FW | POR | Idrisa Sambú (on loan from Spartak Moscow) |
| No. | Pos. | Nation | Player |
| 4 | DF | FRA | Teddy Mézague (end of contract) |
| 6 | MF | MEX | Omar Govea (loan return to Porto) |
| 10 | FW | COD | Jonathan Bolingi (loan return to Standard Liège) |
| 18 | FW | NGA | Taiwo Awoniyi (loan return to Liverpool) |
| 22 | DF | BEL | Sébastien Locigno (end of contract) |
| 28 | DF | BEL | Jérémy Huyghebaert (on loan to Neuchâtel Xamax) |
| 95 | MF | ROU | Dorin Rotariu (loan return to Club Brugge) |
| — | DF | BIH | Daniel Graovac (was on loan to Željezničar, now sold to Vojvodina) |
| — | GK | BRA | Vagner (was on loan to Boavista, now sold to Qarabağ) |

#### Genk

| No. | Pos. | Nation | Player |
| — | MF | BEL | Matisse Didden (from Patro Eisden Maasmechelen) |
| — | MF | CRO | Ivan Fiolić (from Dinamo Zagreb) |
| — | FW | BEL | Zinho Gano (from Oostende) |
| — | DF | COL | Jhon Lucumí (from Deportivo Cali) |
| — | MF | COD | Dieumerci Ndongala (was on loan from Standard Liège, now bought) |
| — | MF | GHA | Joseph Paintsil (from Ferencváros) |
| — | MF | POL | Jakub Piotrowski (from Pogoń Szczecin) |
| — | DF | ROU | Vladimir Screciu (from Universitatea Craiova) |
| No. | Pos. | Nation | Player |
| 2 | DF | CZE | Jakub Brabec (on loan Çaykur Rizespor) |
| 5 | DF | BEL | Amine Khammas (on loan to Den Bosch) |
| 7 | FW | GRE | Nikos Karelis (on loan to PAOK) |
| 15 | DF | GAM | Omar Colley (to Sampdoria) |
| 16 | MF | BEL | Dante Vanzeir (on loan to Beerschot Wilrijk) |
| 17 | FW | BEL | Holly Tshimanga (end of contract) |
| 19 | MF | BEL | Thomas Buffel (to Zulte Waregem) |
| 20 | MF | BEL | Paolo Sabak (to NEC) |
| 22 | MF | BEL | Siebe Schrijvers (to Club Brugge) |
| 27 | DF | ANG | Clinton Mata (loan return to Charleroi) |
| 29 | MF | BEL | Manuel Benson (on loan to Excel Mouscron) |
| 33 | MF | CIV | Pierre Zebli (on loan to Ascoli) |
| 40 | GK | BEL | Gaëtan Coucke (on loan to Lommel) |
| — | DF | BEL | Kino Delorge (was on loan to Dordrecht, now sold to Dinamo București) |
| — | DF | BEL | Christophe Janssens (was on loan to MVV, now sold to Westerlo) |
| — | DF | ESP | José Manuel García Naranjo (was on loan to Leganés, now sold to Tenerife) |

#### Gent

| No. | Pos. | Nation | Player |
| — | DF | COL | Anderson Arroyo (on loan from Liverpool) |
| — | FW | NGA | Taiwo Awoniyi (on loan from Liverpool) |
| — | MF | NGA | Philip Azango (from Trenčín) |
| — | GK | BEL | Colin Coosemans (from Mechelen) |
| — | GK | BEL | Jari De Busser (from Lierse) |
| — | DF | BEL | Timothy Derijck (from Zulte Waregem) |
| — | MF | FRA | Jean-Luc Dompé (from Standard Liège) |
| — | FW | GEO | Giorgi Kvilitaia (from Rapid Wien) |
| — | MF | USA | Ben Lederman (from Barcelona Juvenil A) |
| — | MF | BEL | Stallone Limbombe (from Antwerp) |
| — | MF | EGY | Ahmed Mostafa (from Petrojet) |
| — | MF | BEL | Vadis Odjidja-Ofoe (from Olympiacos) |
| — | DF | UKR | Ihor Plastun (from Ludogorets Razgrad) |
| — | MF | SWE | Eric Smith (from Norrköping) |
| — | DF | FRA | Arnaud Souquet (from Nice) |
| — | MF | SWE | Tesfaldet Tekie (loan return from Östersund) |
| No. | Pos. | Nation | Player |
| 2 | DF | FRA | Samuel Gigot (to Spartak Moscow) |
| 5 | DF | BEL | Noë Dussenne (loan return to Crotone) |
| 8 | MF | DEN | Anders Christiansen (to Malmö) |
| 9 | FW | SEN | Mamadou Sylla Diallo (on loan to Zulte Waregem) |
| 11 | MF | COL | Deiver Machado (on loan to Atlético Nacional) |
| 13 | DF | SRB | Stefan Mitrović (to Strasbourg) |
| 14 | FW | CUW | Rangelo Janga (to Astana) |
| 18 | MF | NGA | Samuel Kalu (to Bordeaux) |
| 27 | MF | NGA | Moses Simon (to Levante) |
| 31 | FW | JPN | Yuya Kubo (on loan to 1. FC Nürnberg) |
| 32 | MF | BEL | Thomas Foket (to Reims) |
| 38 | DF | BEL | Siebe Horemans (on loan to Excelsior) |
| — | MF | GEO | Giorgi Beridze (was on loan to Trenčín, now loaned to Újpest) |
| — | DF | ISR | Ofir Davidzada (was on loan to Maccabi Tel Aviv, now sold) |
| — | MF | ISR | Lior Inbrum (was on loan to Ashdod, now loaned to Beitar Jerusalem) |
| — | FW | BEL | Elton Kabangu (again on loan to Eindhoven) |
| — | MF | BIH | Danijel Milićević (was on loan to Metz, now sold to Eupen) |
| — | FW | NGA | Peter Olayinka (was on loan to Zulte Waregem, now sold to Slavia Prague) |
| — | FW | PAN | José Luis Rodríguez (to Deportivo Alavés) |
| — | MF | USA | Kenny Saief (was on loan to Anderlecht, now sold) |
| — | DF | SEN | Noël Soumah (was on loan to Westerlo, now sold) |
| — | GK | BEL | Anthony Swolfs (on loan to Waasland-Beveren) |

#### Kortrijk

| No. | Pos. | Nation | Player |
| — | FW | URU | Felipe Avenatti (on loan from Bologna) |
| — | DF | UKR | Andriy Batsula (from Oleksandriya) |
| — | DF | SEN | Alioune Camara (from Iyane Matam) |
| — | DF | GRE | Charis Charisis (on loan from PAOK) |
| — | MF | BEL | Julien De Sart (from Middlesbrough) |
| — | GK | BEL | Jarno De Smet (from Lommel) |
| — | FW | NGA | Imoh Ezekiel (from Las Palmas) |
| — | DF | SRB | Petar Golubović (from Novara) |
| — | DF | USA | Brendan Hines-Ike (from Örebro) |
| — | MF | BRA | Kanu (from Omonia) |
| — | MF | COD | Abel Kasong (on loan from TP Mazembe) |
| — | DF | COD | Prince Kasongo (on loan from TP Mazembe) |
| — | FW | BEL | Ilombe Mboyo (from Sion) |
| — | DF | IRN | Mohammad Naderi (from Tractor Sazi) |
| — | MF | CIV | Jean Marco Toualy (from Salitas) |
| No. | Pos. | Nation | Player |
| 3 | DF | UKR | Yevhen Makarenko (to Anderlecht) |
| 7 | MF | BEL | Stijn De Smet (to Roeselare) |
| 10 | FW | GRE | Thanasis Papazoglou (to Hapoel Haifa) |
| 12 | DF | USA | Erik Palmer-Brown (loan return to Manchester City) |
| 23 | DF | BEL | Bryan Verboom (loan return to Zulte Waregem) |
| 43 | FW | FRA | Jérémy Perbet (loan return to Club Brugge) |
| — | DF | ALG | Youcef Attal (was on loan from Paradou, then bought, then sold to Nice) |
| — | DF | BEL | Lennert De Smul (was on loan to Deinze, then released) |
| — | MF | COD | Hervé Kage (was on loan to Kardemir Karabükspor, now loaned to Adana Demirspor) |
| — | FW | BEL | Michaël Lallemand (was on loan to Deinze, then released) |
| — | GK | BEL | Gilles Lentz (to Roeselare) |
| — | MF | SEN | Sidy Sarr (was on loan to Châteauroux, then released) |
| — | MF | BEL | Lukas Van Eenoo (was on loan to Westerlo, now sold) |

#### Lokeren

| No. | Pos. | Nation | Player |
| — | DF | ISR | Omri Ben Harush (from Maccabi Haifa) |
| — | DF | BEL | Olivier Deschacht (from Anderlecht) |
| — | DF | SEN | Bambo Diaby (from Sampdoria) |
| — | FW | SRB | Đorđe Jovanović (from Partizan) |
| — | GK | BEL | Robin Mantel (from ASV Geel) |
| — | FW | BLR | Anton Saroka (from Dinamo Minsk) |
| — | DF | CRO | Mario Tičinović (loan return from Hajduk Split) |
| — | DF | BEL | Mickaël Tirpan (from Eupen) |
| No. | Pos. | Nation | Player |
| 5 | DF | SUI | Mijat Marić (to Lugano) |
| 9 | FW | BEL | Tom De Sutter (released) |
| 15 | FW | NOR | Mohamed Ofkir (to Sandefjord) |
| 18 | FW | NOR | Jean Alassane Mendy (released) |
| 27 | FW | SWE | Robin Söder (to Göteborg) |
| 29 | FW | CMR | Lewis Enoh (to Politehnica Iași) |
| 30 | GK | BEL | Bo Geens (end of contract) |
| 33 | FW | BEL | Joran Triest (to Hamme) |
| — | GK | BEL | Dieter Creemers (to Lommel) |
| — | MF | CRO | Nikola Jambor (was on loan to Osijek, now sold to Rio Ave) |
| — | MF | FRA | Samy Kehli (was on loan to OH Leuven, now sold) |
| — | DF | SVK | Branislav Niňaj (was on loan to Žilina, now sold to Fortuna Sittard) |
| — | MF | NED | Luciano Slagveer (was on loan to Twente, now loaned to Emmen) |

#### Oostende

| No. | Pos. | Nation | Player |
| — | MF | BEL | Indy Boonen (from Manchester United) |
| — | MF | BEL | Sander Coopman (from Club Brugge) |
| — | DF | BEL | Laurens De Bock (on loan from Leeds United) |
| — | DF | BEL | Wout Faes (from Anderlecht) |
| — | FW | ALB | Sindrit Guri (from Kukësi) |
| — | MF | BEL | François Marquet (from Waasland-Beveren) |
| — | DF | CRO | Goran Milović (from Chongqing Dangdai Lifan) |
| — | FW | BEL | Aristote Nkaka (sold to Anderlecht, then loaned back) |
| — | GK | CMR | Fabrice Ondoa (from Sevilla Atlético) |
| — | FW | ZAM | Fashion Sakala (from Spartak Moscow) |
| — | MF | BEL | Jordi Vanlerberghe (on loan from Club Brugge) |
| No. | Pos. | Nation | Player |
| 3 | DF | BEL | Rocky Bushiri (on loan to Eupen) |
| 4 | DF | BEL | Mathias Bossaerts (to NEC) |
| 10 | MF | FRA | Franck Berrier (to Mechelen) |
| 11 | FW | ZIM | Knowledge Musona (to Anderlecht) |
| 15 | MF | RSA | Andile Jali (released) |
| 17 | FW | NGA | Joseph Akpala (to Al-Faisaly) |
| 18 | DF | CZE | David Rozehnal (retired) |
| 21 | GK | BEL | Mike Vanhamel (to Beerschot Wilrijk) |
| 23 | DF | IRN | Ramin Rezaeian (released) |
| 31 | MF | SVN | Nicolas Rajsel (on loan to Roeselare) |
| 44 | DF | CRO | Antonio Milić (to Anderlecht) |
| 93 | FW | BEL | Zinho Gano (to Genk) |
| — | MF | BEL | Victor Vandewiele (end of contract) |

#### Sint-Truiden

| No. | Pos. | Nation | Player |
| — | MF | NED | Elton Acolatse (was on loan from Club Brugge, now bought) |
| — | FW | COD | Nelson Balongo (from Boavista) |
| — | FW | SLE | Mohamed Buya Turay (from Dalkurd) |
| — | MF | BEL | Alexandre De Bruyn (from Lommel) |
| — | DF | JPN | Wataru Endo (from Urawa Red Diamonds) |
| — | DF | ESP | Pol García (from Juventus) |
| — | FW | NED | Paul Gladon (on loan from Wolverhampton Wanderers) |
| — | FW | BEL | Wolke Janssens (loan return from Lierse) |
| — | MF | JPN | Daichi Kamada (on loan from Eintracht Frankfurt) |
| — | DF | JPN | Yuta Koike (from Ryutsu Keizai University) |
| — | DF | BEL | Samy Mmaee (from Standard Liège) |
| — | FW | HAI | Duckens Nazon (from Wolverhampton Wanderers) |
| — | MF | BEL | Steve Ryckaert (loan return from Tubize) |
| — | MF | JPN | Takahiro Sekine (on loan from Ingolstadt 04) |
| — | MF | GUI | Ibrahima Sory Sankhon (from Horoya) |
| — | MF | BEL | Iebe Swers (loan return from Lommel) |
| — | DF | BRA | Thallyson (from Novorizontino) |
| No. | Pos. | Nation | Player |
| 8 | DF | GRE | Charis Charisis (loan return to PAOK) |
| 9 | FW | SEN | Babacar Guèye (loan return to Hannover 96) |
| 14 | MF | ANG | Igor Vetokele (loan return to Charlton Athletic) |
| 15 | DF | GRE | Stelios Kitsiou (loan return to PAOK) |
| 18 | DF | FRA | Fabien Antunes (on loan to Westerlo) |
| 25 | FW | RSA | Kurt Abrahams (to Westerlo) |
| 28 | DF | GRE | Dimitris Goutas (loan return to Olympiacos) |
| 30 | MF | BEL | Samy Bourard (to Eindhoven) |
| 32 | FW | ENG | Chuba Akpom (loan return to Arsenal) |
| — | FW | BEL | Lucas Damblon (was on loan to RWDM47, now sold to Rupel Boom) |
| — | MF | MAR | Yassine Salah (loan return to Union SG) |

#### Standard Liège

| No. | Pos. | Nation | Player |
| — | MF | BEL | Samuel Bastien (from Chievo Verona) |
| — | MF | MAR | Mehdi Carcela (was on loan from Granada, now bought) |
| — | DF | BEL | Luis Pedro Cavanda (was on loan from Galatasaray, now bought) |
| — | DF | SRB | Miloš Kosanović (loan return from Göztepe) |
| — | DF | CYP | Konstantinos Laifis (was on loan from Olympiacos, now bought) |
| — | MF | BEL | Maxime Lestienne (from Rubin Kazan) |
| — | DF | BEL | Senna Miangue (on loan from Cagliari) |
| — | FW | BEL | Obbi Oularé (on loan from Watford) |
| — | FW | POR | Orlando Sá (from Henan Jianye) |
| — | DF | BEL | Zinho Vanheusden (again on loan from Internazionale) |
| — | MF | CHN | Hao Zhang (from Beijing Renhe) |
| No. | Pos. | Nation | Player |
| 4 | DF | BEL | Dimitri Lavalée (on loan to MVV) |
| 7 | FW | CRO | Duje Čop (on loan to Valladolid) |
| 22 | MF | BEL | Edmilson Junior (to Al-Duhail) |
| 24 | DF | GRE | Giorgos Koutroubis (end of contract) |
| — | MF | BEL | Beni Badibanga (was on loan to Lierse, now sold to Waasland-Beveren) |
| — | FW | ALG | Ishak Belfodil (was on loan to Werder Bremen, now sold to TSG 1899 Hoffenheim) |
| — | FW | COD | Jonathan Bolingi (was on loan to Excel Mouscron, now sold to Antwerp) |
| — | MF | FRA | Jean-Luc Dompé (was on loan to Amiens, now sold to Gent) |
| — | MF | TOG | Mathieu Dossevi (was on loan to Metz, now sold) |
| — | GK | BEL | Antoine Lejoly (to Beerschot Wilrijk) |
| — | MF | UGA | Farouk Miya (was on loan to Sabail, now sold to Gorica) |
| — | FW | BEL | Ryan Mmaee (was on loan to Waasland-Beveren, now loaned to AGF) |
| — | DF | BEL | Samy Mmaee (was on loan to MVV, now sold to Sint-Truiden) |
| — | MF | COD | Dieumerci Ndongala (was on loan to Genk, now sold) |
| — | FW | BEL | Benito Raman (first extended loan to Fortuna Düsseldorf, then sold) |
| — | MF | BEL | Marten Wilmots (to Avellino) |

#### Waasland-Beveren

| No. | Pos. | Nation | Player |
| — | MF | COM | Rafidine Abdullah (from Cádiz) |
| — | MF | BEL | Beni Badibanga (from Standard Liège) |
| — | MF | RWA | Djihad Bizimana (from APR) |
| — | GK | BEL | Kevin Debaty (from Antwerp) |
| — | FW | ITA | Francesco Forte (from Inter Milan) |
| — | DF | CRC | Alexis Gamboa (from Santos de Guápiles) |
| — | MF | BEL | Daan Heymans (from Westerlo) |
| — | MF | BEL | Denzel Jubitana (from Mechelen) |
| — | MF | SEN | Paul Keita (from Mezőkövesd) |
| — | MF | CRO | Karlo Lulić (from Rudeš) |
| — | DF | NED | Milan Massop (from Excelsior) |
| — | FW | SEN | Lamine Ndao (from Quevilly-Rouen) |
| — | DF | BEL | Nicolas Orye (loan return from Heist) |
| — | GK | BEL | Davy Roef (again on loan from Anderlecht) |
| — | DF | DEN | Tobias Salquist (from Silkeborg) |
| — | FW | BEL | Din Sula (from OH Leuven) |
| — | GK | BEL | Anthony Swolfs (on loan from Gent) |
| — | DF | ENG | Oscar Threlkeld (from Plymouth Argyle) |
| — | DF | BEL | Senne Van Dooren (loan return from Berchem Sport) |
| — | FW | GRE | Apostolos Vellios (on loan from Nottingham Forest) |
| — | DF | SRB | Aleksandar Vukotić (from Krupa) |
| No. | Pos. | Nation | Player |
| 2 | DF | SWE | Erdin Demir (to Zulte Waregem) |
| 5 | DF | ANG | Jonathan Buatu Mananga (to Rio Ave) |
| 6 | MF | BEL | Joachim Van Damme (to Mechelen) |
| 8 | MF | BEL | François Marquet (to Oostende) |
| 9 | FW | BEL | Ryan Mmaee (loan return to Standard Liège) |
| 16 | FW | SEN | Cherif Ndiaye (released) |
| 17 | MF | CIV | Victorien Angban (loan return to Chelsea) |
| 18 | GK | BEL | Merveille Goblet (end of contract) |
| 21 | DF | LUX | Laurent Jans (to Metz) |
| 24 | MF | BEL | Jens Cools (to Pafos) |
| 27 | DF | BEL | Maxim Nys (to Dender EH) |
| 32 | MF | BEL | Olivier Myny (to OH Leuven) |
| 80 | DF | BEL | Niels Verburgh (loan return to Club Brugge) |
| 92 | FW | SWE | Isaac Kiese Thelin (loan return to Anderlecht) |
| 93 | MF | ALG | Rachid Aït-Atmane (loan return to Gijón) |
| — | FW | BEL | Alessandro Cerigioni (was on loan to Roeselare, now sold to Lommel) |
| — | FW | BEL | Aaron Dhondt (was on loan to Knokke, now sold) |

#### Zulte Waregem

| No. | Pos. | Nation | Player |
| — | FW | CIV | Chris Bedia (on loan from Charleroi) |
| — | MF | NOR | Henrik Bjørdal (from Brighton & Hove Albion) |
| — | MF | BEL | Théo Bongonda (was on loan from Celta de Vigo, now bought) |
| — | MF | BEL | Thomas Buffel (from Genk) |
| — | DF | SUI | Marco Bürki (from Young Boys) |
| — | DF | SWE | Erdin Demir (from Waasland-Beveren) |
| — | MF | NED | Hicham Faik (from Excelsior) |
| — | MF | FIN | Urho Nissilä (from KuPS) |
| — | MF | FIN | Mikael Soisalo (from Middlesbrough) |
| — | FW | SEN | Mamadou Sylla Diallo (on loan from Gent) |
| — | MF | FRA | Florian Tardieu (from Sochaux-Montbéliard) |
| — | DF | BEL | Bryan Verboom (loan return from Kortrijk) |
| No. | Pos. | Nation | Player |
| 6 | DF | BEL | Timothy Derijck (to Gent) |
| 7 | FW | BEL | Aaron Leya Iseka (loan return to Anderlecht) |
| 8 | MF | BEL | Gertjan De Mets (on loan to Beerschot Wilrijk) |
| 10 | MF | BEL | Onur Kaya (to Mechelen) |
| 19 | MF | NOR | Fredrik Oldrup Jensen (on loan to Göteborg) |
| 20 | MF | CIV | Idrissa Doumbia (loan return to Anderlecht) |
| 23 | MF | BEL | Julien De Sart (loan return to Middlesbrough) |
| 31 | DF | DEN | Brian Hämäläinen (to Dynamo Dresden) |
| 33 | FW | SRB | Ivan Šaponjić (loan return to Benfica) |
| 43 | MF | BEL | Sander Coopman (loan return to Club Brugge) |
| 99 | FW | NGA | Peter Olayinka (loan return to Gent) |
| — | DF | NGA | Aliko Bala (was on loan to Hapoel Acre, now loaned to Hapoel Marmorek) |
| — | DF | BEL | Koni De Winter (to Juventus) |
| — | FW | NED | Robert Mühren (was on loan to Sparta Rotterdam, now loaned to NAC Breda) |
| — | MF | ISR | Ben Reichert (was on loan to Hapoel Acre, now loaned to Ashdod) |

### First Division B
#### Beerschot Wilrijk

| No. | Pos. | Nation | Player |
| — | DF | FRA | Pierre Bourdin (from Lierse) |
| — | FW | BEL | Loris Brogno (from Sparta Rotterdam) |
| — | MF | BEL | Gertjan De Mets (on loan from Zulte Waregem) |
| — | MF | FRA | Emeric Dudouit (from Tubize) |
| — | MF | BEL | Grégory Grisez (from Roeselare) |
| — | DF | TUR | Gökhan Kardeş (from PSV) |
| — | MF | BEL | Faysel Kasmi (from Waterford) |
| — | GK | BEL | Antoine Lejoly (from Standard Liège) |
| — | FW | COD | Kule Mbombo (again on loan from Vita Club) |
| — | FW | CMR | Marius Noubissi (from Ilves) |
| — | MF | MAR | Tarik Tissoudali (from Le Havre) |
| — | FW | BEL | Jorn Vancamp (from Anderlecht) |
| — | GK | BEL | Mike Vanhamel (from Oostende) |
| — | MF | BEL | Dante Vanzeir (on loan from Genk) |
| — | MF | BEL | Dani Wilms (from Mechelen) |
| No. | Pos. | Nation | Player |
| 1 | GK | VEN | Rafael Romo (loan return to APOEL) |
| 4 | DF | NED | Arjan Swinkels (to Mechelen) |
| 8 | MF | BRA | Octávio (released) |
| 9 | FW | MAR | Youssef Boulaouali (to Lierse Kempenzonen) |
| 17 | MF | ARG | Hernán Losada (retired) |
| 20 | MF | GHA | Collins Tanor (loan return to Manchester City) |
| 21 | DF | BEL | Guillaume François (to Virton) |
| 22 | FW | EST | Rauno Sappinen (loan return to Flora) |
| 32 | MF | BEL | Jaric Schaessens (to Rupel Boom) |
| 35 | MF | MAR | Karim Essikal (to Eindhoven) |
| 43 | MF | BEL | Charni Ekangamene (to Eindhoven) |
| 44 | DF | CIV | Abdel Diarra (released) |
| — | GK | BEL | Michaël Clepkens (was on loan to Lommel, now released to Knokke) |
| — | DF | BEL | Yan De Maeyer (was on loan to Oosterzonen Oosterwijk, now sold to Rupel Boom) |
| — | GK | BEL | Quintijn Steelant (to Dikkelvenne) |
| — | FW | CMR | Jacques Zoua (released) |

#### Lommel

| No. | Pos. | Nation | Player |
| — | MF | BEL | Thomas Azevedo (was on loan from OH Leuven, now bought) |
| — | MF | BEL | Geert Berben (from OH Leuven) |
| — | MF | CGO | Romeni Scott Bitsindou (from Javor Matis) |
| — | FW | BEL | Alessandro Cerigioni (from Waasland-Beveren) |
| — | MF | BEL | Glenn Claes (from Mechelen) |
| — | GK | BEL | Gaëtan Coucke (on loan from Genk) |
| — | GK | BEL | Dieter Creemers (from Lokeren) |
| — | DF | BEL | Sebastiaan De Wilde (from Eindhoven) |
| — | DF | BEL | Soufiane El Banouhi (on loan from Union SG) |
| — | FW | POR | Leonardo Rocha (from Ontinyent) |
| — | DF | BEL | Ben Santermans (was on loan from Den Bosch, now bought) |
| — | DF | BEL | Wesley Vanbelle (on loan from Cercle Brugge) |
| No. | Pos. | Nation | Player |
| 1 | GK | BEL | Michaël Clepkens (loan return to Beerschot Wilrijk) |
| 2 | DF | NED | Jeffrey Ket (on loan to Quick Boys) |
| 4 | DF | BEL | Jordan Renson (to Patro Eisden Maasmechelen) |
| 7 | MF | BEL | Iebe Swers (loan return to Sint-Truiden) |
| 9 | FW | BEL | Simon Vermeiren (to Lierse Kempenzonen) |
| 10 | MF | BEL | Alexandre De Bruyn (to Sint-Truiden) |
| 12 | GK | BEL | Jarno De Smet (to Kortrijk) |
| 18 | MF | BEL | Wouter Scheelen (to Bocholt) |
| 20 | FW | BEL | Din Sula (loan return to OH Leuven) |
| 21 | MF | BEL | Yassin Gueroui (to Mouloudia Oujda) |
| 22 | DF | BEL | Gilles Ruyssen (to RWDM47) |
| 26 | MF | BEL | Giel Deferm (to Thes Sport) |
| 28 | MF | BEL | Jordi Maus (to Oosterzonen Oosterwijk) |
| — | DF | BEL | Axel Swerten (was on loan to Tienen, now sold to Patro Eisden Maasmechelen) |
| — | DF | BEL | Jonas Vinck (signed from Lierse, then contract annulled) |

#### Mechelen

| No. | Pos. | Nation | Player |
| — | DF | CIV | Mamadou Bagayoko (was on loan from OH Leuven, now bought) |
| — | MF | FRA | Franck Berrier (from Oostende) |
| — | DF | NED | Lucas Bijker (from Cádiz) |
| — | GK | BEL | Bram Castro (from Heracles) |
| — | FW | BEL | Mathieu Cornet (from Roeselare) |
| — | DF | BEL | Alexander Corryn (loan return from Antwerp) |
| — | FW | BEL | Igor de Camargo (from APOEL) |
| — | FW | SWE | Gustav Engvall (from Bristol City) |
| — | MF | BEL | Onur Kaya (from Zulte Waregem) |
| — | DF | BEL | Laurent Lemoine (from Club Brugge) |
| — | MF | BIH | Milan Savić (from Red Star Belgrade) |
| — | FW | BEL | Nikola Storm (from Club Brugge) |
| — | DF | NED | Arjan Swinkels (from Beerschot Wilrijk) |
| — | FW | CIV | William Togui (from Gagnoa) |
| — | MF | BEL | Joachim Van Damme (from Waasland-Beveren) |
| — | GK | NED | Michael Verrips (from Sparta Rotterdam) |
| No. | Pos. | Nation | Player |
| 2 | DF | BEL | Laurens Paulussen (end of contract) |
| 3 | MF | MAR | Ahmed El Messaoudi (on loan to Fortuna Sittard) |
| 5 | DF | SRB | Uroš Vitas (contract terminated) |
| 8 | MF | CRC | Randall Leal (to Deportivo Saprissa) |
| 9 | FW | DEN | Nicklas Pedersen (to Emmen) |
| 11 | MF | BEL | Mats Rits (to Club Brugge) |
| 16 | MF | GRE | Dimitris Kolovos (on loan to Willem II) |
| 19 | FW | MNE | Fatos Bećiraj (released) |
| 22 | DF | BEL | Elias Cobbaut (to Anderlecht) |
| 26 | GK | BEL | Colin Coosemans (to Gent) |
| 27 | FW | BFA | Hassane Bandé (to Ajax) |
| 28 | MF | TUN | Fabien Camus (end of contract) |
| 47 | MF | BEL | Andy Kawaya (to Avellino) |
| 49 | GK | LUX | Anthony Moris (to Virton) |
| 77 | MF | BEL | Glenn Claes (to Lommel) |
| 99 | FW | FRA | Nicolas Verdier (loan return to Eupen) |
| — | MF | BEL | Denzel Jubitana (to Waasland-Beveren) |
| — | MF | BEL | Jonathan Kindermans (was on loan to Union SG, now sold to RWDM47) |
| — | MF | BEL | Miguel Mees (was on loan to Rupel Boom, now loaned to Duffel) |
| — | FW | BEL | Jordy Peffer (was on loan to Westerlo, now loaned to Dessel Sport) |
| — | DF | MAR | Faycal Rherras (was on loan to Hibernian, then released to Béziers) |
| — | MF | BEL | Dani Wilms (to Beerschot Wilrijk) |

#### OH Leuven

| No. | Pos. | Nation | Player |
| — | FW | BEL | Benjamin Bambi (loan return from Heist) |
| — | DF | FRA | Frédéric Duplus (from Lens) |
| — | FW | NED | Sam Hendriks (from Go Ahead Eagles) |
| — | FW | ENG | George Hirst (from Sheffield Wednesday) |
| — | MF | POL | Bartosz Kapustka (on loan from Leicester City) |
| — | MF | FRA | Samy Kehli (was on loan from Lokeren, now bought) |
| — | MF | FRA | Redouane Kerrouche (from Paris) |
| — | DF | ENG | Elliott Moore (again on loan from Leicester City) |
| — | MF | BEL | Olivier Myny (from Waasland-Beveren) |
| — | MF | BEL | Leo Njengo (loan return from Dessel Sport) |
| — | MF | BEL | Ahmed Touba (on loan from Club Brugge) |
| — | MF | BEL | Jellert van Landschoot (on loan from Club Brugge) |
| No. | Pos. | Nation | Player |
| 8 | MF | FRA | Flavien Le Postollec (to Deinze) |
| 11 | FW | BEL | Nikola Storm (loan return to Club Brugge) |
| 21 | GK | BEL | Andreas Suederick (to Pepingen-Halle) |
| 27 | DF | BEL | Jordy Gillekens (on loan to Fiorentina) |
| 31 | DF | FRA | Benjamin Boulenger (loan return to Charleroi) |
| — | FW | BEL | Thomas Azevedo (was on loan to Lommel, now sold) |
| — | DF | CIV | Mamadou Bagayoko (was on loan to Mechelen, now sold) |
| — | MF | BEL | Geert Berben (was on loan to Oosterzonen Oosterwijk, now sold to Lommel) |
| — | MF | NED | Dico Jap Tjong (end of contract) |
| — | MF | BEL | Jordy Lokando (was on loan to Heist, now released to RWDM47) |
| — | MF | NGA | Godwin Odibo (end of contract) |
| — | FW | BEL | Din Sula (was on loan to Lommel, now sold to Waasland-Beveren) |

#### Roeselare

| No. | Pos. | Nation | Player |
| — | MF | BEL | Mohammed Aoulad (from Wydad) |
| — | DF | BRA | Andrei Camargo (from Lierse) |
| — | MF | BEL | Stijn De Smet (from Kortrijk) |
| — | DF | NED | Danzell Gravenberch (again on loan from Reading) |
| — | DF | BEL | Fazlı Kocabaş (from Wallonia Walhain) |
| — | GK | BEL | Gilles Lentz (from Kortrijk) |
| — | MF | SVN | Nicolas Rajsel (on loan from Oostende) |
| — | MF | FRA | Willy Semedo (on loan from Charleroi) |
| — | DF | NED | Kenny van der Weg (from Hamilton Academical) |
| — | FW | CUW | Gino van Kessel (from Slavia Prague) |
| — | FW | BEL | Ben Yagan (from Dessel Sport) |
| No. | Pos. | Nation | Player |
| 3 | DF | SEN | Souleymane Aw (loan return to Eupen) |
| 7 | FW | BEL | Davy Brouwers (to Thes Sport) |
| 8 | MF | FRA | Mikael Seoudi (to Olympic Charleroi) |
| 10 | FW | BIH | Marko Maletić (on loan to Dordrecht) |
| 15 | DF | BEL | Pieter-Jan Monteyne (to Hamme) |
| 16 | DF | MAD | Zotsara Randriambololona (loan return to Antwerp) |
| 17 | MF | BEL | Grégory Grisez (to Beerschot Wilrijk) |
| 21 | FW | BEL | Alessandro Cerigioni (loan return to Waasland-Beveren) |
| 24 | FW | BEL | Mathieu Cornet (to Mechelen) |
| 26 | MF | FRA | Lilian Bochet (to Olympic Charleroi) |
| 27 | DF | BEL | Laurent Lemoine (loan return to Club Brugge) |
| 30 | MF | LIE | Sandro Wieser (loan return to Reading) |
| 39 | GK | BEL | Yves De Winter (to Antwerp) |

#### Tubize

| No. | Pos. | Nation | Player |
| — | MF | GHA | Ernest Agyiri (on loan from Manchester City) |
| — | GK | BEL | Lucas Alfieri (from Club Brugge) |
| — | MF | RUS | Georgi Chelidze (from Dynamo Moscow) |
| — | FW | BFA | Banou Diawara (from FAR) |
| — | MF | SEN | Lemouya Goudiaby (from Metz) |
| — | MF | TUR | Murad Han Gönen (from Club Brugge) |
| — | FW | BRA | Pedro Henrique Bueno (on loan from Chamois Niortais) |
| — | FW | FRA | Thomas Henry (from Chambly) |
| — | DF | FRA | Anthony Lippini (from Tours) |
| — | DF | BEL | Gertjan Martens (from Union SG) |
| — | MF | GHA | Divine Naah (was on loan from Manchester City, now bought) |
| — | MF | FRA | Aaron Nemane (on loan from Manchester City) |
| — | MF | ISR | Tom Rosenthal (from Dordrecht) |
| No. | Pos. | Nation | Player |
| 2 | DF | BEL | Quentin Laurent (to Châtelet) |
| 6 | DF | FRA | Emeric Dudouit (to Beerschot Wilrijk) |
| 8 | MF | NED | Ewout Gouw (end of contract) |
| 9 | FW | FRA | Florent Stevance (loan return to Charleroi) |
| 10 | MF | CRO | Mario Babić (to Široki Brijeg) |
| 12 | MF | NGA | Simon Zenke (end of contract) |
| 15 | MF | BEL | Steve Ryckaert (loan return to Sint-Truiden) |
| 17 | DF | FRA | Maxence Carlier (loan return to Lens) |
| 28 | MF | AUS | Panos Armenakas (loan return to Udinese) |
| — | FW | MAR | Karim Achahbar (loan return to Guingamp) |
| — | FW | GAM | Ibou (released) |
| — | DF | SEN | Mohamed Kané (loan return to Metz) |
| — | MF | GEO | Levan Shengelia (released) |

#### Union SG

| No. | Pos. | Nation | Player |
| — | MF | GER | Max Besuschkow (on loan from Eintracht Frankfurt) |
| — | MF | FRA | Nils Bouekou (from Créteil) |
| — | GK | BEL | Enzo D'Alberto (from Anderlecht) |
| — | DF | ESP | Carlos David Moreno (from Huesca) |
| — | MF | FRA | Abdelrafik Gérard (from Lens) |
| — | FW | ESP | Urtzi Iriondo (from Athletic Bilbao B) |
| — | GK | NOR | Anders Kristiansen (from Sarpsborg 08) |
| — | MF | GER | Marcel Mehlem (from Karlsruher SC) |
| — | FW | FRA | Youssouf Niakaté (from Boulogne) |
| — | MF | POR | Steven Pinto-Borges (from Grenoble) |
| — | MF | COM | Faïz Selemani (from Lorient) |
| — | FW | RSA | Percy Tau (on loan from Brighton & Hove Albion) |
| — | MF | FRA | Hadamou Traore (from Drancy) |
| — | DF | ARG | Federico Vega (from Lorca) |
| No. | Pos. | Nation | Player |
| 1 | GK | COD | Mulopo Kudimbana (end of contract) |
| 5 | DF | BEL | Grégoire Neels (end of contract) |
| 7 | FW | MLI | Mamadou Diallo (end of contract) |
| 10 | FW | BEL | Augusto Da Silva (to Lierse Kempenzonen) |
| 14 | DF | BEL | Axel Leers (to Virton) |
| 19 | MF | BEL | Kenneth Houdret (to Avellino) |
| 20 | FW | COD | Héritier Luvumbu (to FAR Rabat) |
| 21 | DF | BEL | Gertjan Martens (to Tubize) |
| 23 | DF | CGO | Jordan Massengo (end of contract) |
| 27 | MF | BEL | Jonathan Kindermans (loan return to Mechelen) |
| 28 | DF | BEL | Soufiane El Banouhi (on loan to Lommel) |
| 77 | FW | BEL | Christophe Bertjens (to Bocholt) |
| 94 | FW | BEL | Nathan Kabasele (loan return to Gazişehir Gaziantep) |
| — | FW | GUI | Yady Bangoura (was on loan to Eendracht Aalst, now sold to RFC Liège) |
| — | GK | BEL | Adriano Cipollina (end of contract) |
| — | FW | COD | Freddy Mombongo-Dues (was on loan to RFC Liège, then released to Patro Eisden Maasmechelen) |
| — | MF | MAR | Yassine Salah (was on loan to Sint-Truiden, now sold to Olympic Charleroi) |

#### Westerlo

| No. | Pos. | Nation | Player |
| — | FW | RSA | Kurt Abrahams (from Sint-Truiden) |
| — | DF | FRA | Fabien Antunes (on loan from Sint-Truiden) |
| — | DF | BEL | Simon Bammens (from Olympia Wijgmaal) |
| — | FW | BEL | Stephen Buyl (was on loan from Cercle Brugge, now bought) |
| — | MF | BEL | Guillaume De Schryver (from Cercle Brugge) |
| — | FW | CIV | Ambroise Gboho (from Les Herbiers) |
| — | MF | TUN | Nader Ghandri (on loan from Antwerp) |
| — | DF | BEL | Christophe Janssens (from Genk) |
| — | DF | GAB | Randal Oto'o (was on loan from Braga, now bought) |
| — | FW | SRB | Sava Petrov (from Spartak Subotica) |
| — | DF | SEN | Noël Soumah (was on loan from Gent, now bought) |
| — | MF | BEL | Lukas Van Eenoo (was on loan from Kortrijk, now bought) |
| No. | Pos. | Nation | Player |
| 5 | DF | BEL | Michiel Jaeken (on loan to Dessel Sport) |
| 9 | FW | NGA | Christian Osaguona (to Umm Salal) |
| 10 | FW | BEL | Benjamin De Ceulaer (to Eendracht Termien) |
| 17 | MF | GHA | Bernardinho (on loan to ASV Geel) |
| 18 | MF | BEL | Daan Heymans (to Waasland-Beveren) |
| 19 | MF | DEN | Daniel Christensen (to Vendsyssel) |
| 23 | MF | BEL | Jeroen Goor (on loan to Olympia Wijgmaal) |
| 27 | FW | BEL | Jordy Peffer (loan return to Mechelen) |
| 44 | DF | GRE | Konstantinos Rougalas (to Doxa Dramas) |

## Footnotes

* ↑ Raman was already on loan from Standard Liège to Fortuna Düsseldorf during the 2016-17 season. The loan was extended for another season.
* ↑ Raman was already on loan from Standard Liège to Fortuna Düsseldorf during the 2016-17 season and the loan had only recently been extended until June 2019. Düsseldorf now opted to pay for the full transfer of Raman.
* ↑ Yatabaré was already on loan from Werder Bremen to Antwerp during the 2017-18 season. Antwerp activated the clause to make the transfer permanent.
* ↑ Bagayoko was already on loan from OH Leuven to Mechelen since the winter 2017–18 transfer window and all parties now agreed to make the transfer permanent.
* ↑ Trezeguet was already on loan from Anderlecht to Kasımpaşa since the summer 2017 transfer window. Kasımpaşa activated the clause to make the move permanent.
* ↑ De Maeyer was on loan from Beerschot Wilrijk to Oosterzonen Oosterwijk during the 2017–18 season. The loan ended and De Maeyer was now sold to Rupel Boom.
* ↑ Pereira was on loan from Club Brugge to Sport Recife since the winter 2017–18 transfer window. The loan ended and Pereira was now loaned to Chapecoense.
* ↑ Santermans was already on loan from Den Bosch to Lommel since the winter 2017–18 transfer window. All parties agreed to make the transfer permanent.
* ↑ Roef was already on loan from Anderlecht to Waasland-Beveren during the 2016–17 season. The loan was extended for another season.
* ↑ Storm was on loan from Club Brugge to OH Leuven since the winter 2016-17 transfer window. The loan ended and Storm was sold to Mechelen.
* ↑ Laifis was already on loan from Olympiacos to Standard Liège since the summer 2016 transfer window. Standard Liège activated a clause in the contract to make the transfer permanent.
* ↑ Ndongala was already on loan from Standard Liège to Genk since the summer 2017 transfer window. All parties agreed to make the transfer permanent.
* ↑ Damblon was on loan from Sint-Truiden to RWDM47 during the 2017–18 season. The loan ended and Damblon was now sold to Rupel Boom.
* ↑ Swerten was on loan from Lommel to Tienen during the second half of the 2017–18 season. The loan ended and Swerten was sold to Patro Eisden Maasmechelen.
* ↑ Rodrigues was already on loan from Porto to Antwerp since the summer 2017 transfer window. All parties agreed to make the transfer permanent.
* ↑ Attal was already on loan from Paradou to Kortrijk, Kortrijk activated the claude to make the transfer permanent.
* ↑ Belfodil was on loan from Standard Liège to Werder Bremen since the summer 2017 transfer window. The loan ended and Belfodil was sold to Hoffenheim.
* ↑ Lemoine was on loan from Club Brugge to Roeselare since the summer 2017 transfer window. The loan ended and Lemoine was sold to Mechelen.
* ↑ Butez was already on loan from Lille to Excel Mouscron during the 2016–17 season. The loan ended and the contract of Butez at Lille was annulled, allowing Butez to move to Excel Mouscron as a free player.
* ↑ Van Eenoo was already on loan from Kortrijk to Westerlo since the winter 2017-18 transfer window. All parties agreed to make the transfer permanent.
* ↑ Saief was already on loan from Gent to Anderlecht since the winter 2017–18 transfer window. Anderlecht activated the clause to make the move permanent.
* ↑ Van Landschoot was on loan from Club Brugge to Eindhoven. The loan ended and van Landschoot was now loaned to OH Leuven.
* ↑ Bolingi was on loan from Standard Liège to Excel Mouscron. The loan ended and Bolingi was now sold to Antwerp.
* ↑ Soumah was already on loan from Gent to Westerlo since the summer of 2017. All parties agreed to make the transfer permanent.
* ↑ Kindermans was on loan from KV Mechelen to Union SG since the 2017–18 winter transfer window. The loan ended and Kindermans was sold to RWDM47.
* ↑ Carcela was already on loan from Granada to Standard Liège since the 2017–18 winter transfer window. All parties agreed to make the transfer permanent.
* ↑ Dossevi was already on loan from Standard Liège to Metz during the 2017–18 season. Metz activated the clause to make the move permanent.
* ↑ Coussement was on loan from Cercle Brugge to Knokke during the 2017-18 season. After the loan ended, Coussement was released by Cercle Brugge and moved to Zwevezele.
* ↑ De Smul was on loan from Kortrijk to Deinze during the 2017–18 season. After the loan ended, De Smul was released by Kortrijk.
* ↑ Dhondt was already on loan from Waasland-Beveren to Knokke during the 2017–18 season. After the loan ended, Dhondt moved to Knokke on a permanent basis.
* ↑ Oto'o was on loan from Braga to Westerlo since the summer 2016 transfer window. All parties agreed to make the transfer permanent.
* ↑ Sarr was on loan from Kortrijk to Châteauroux during the 2017-18 season. After the loan ended, Sarr was released by Kortrijk.
* ↑ Clepkens was on loan from Beerschot Wilrijk to Lommel during the 2017–18 season. The loan ended and Clepkens was released to Knokke.
* ↑ Cerigioni was on loan from Waasland-Beveren to Roeselare during the 2017–18 season. The loan ended and Cerigioni was sold to Lommel.
* ↑ Kehli was already on loan from Lokeren to OH Leuven during the second half of the 2017–18 season. The loan ended and Kehli was transferred to OH Leuven on a permanent basis.
* ↑ Bangoura was on loan from Union SG to Eendracht Aalst during the 2017–18 season. The loan ended and Bangoura was now sold to RFC Liège.
* ↑ The deal involves the agreement that Ket will be on loan from Lommel to Quick Boys until the winter 2018-19 transfer window, after which Ket will make a permanent transfer.
* ↑ Slagveer was on loan from Lokeren to Twente during the 2017–18 season. The loan ended and Slagveer was now loaned to Emmen.
* ↑ Milićević was on loan from Gent to Metz during the 2017–18 season. The loan ended and Milićević was now sold to Eupen.
* ↑ Buta was already on loan from Benfica to Antwerp during the 2017–18 season. The loan ended but all parties came to an agreement to make the transfer permanent.
* ↑ Mata was on loan from Charleroi to Genk during the 2017–18 season. The loan ended and Mata was sold to Club Brugge.
* ↑ McGree was on loan from Club Brugge to Newcastle Jets during the second half of the 2017–18 season. The loan ended and McGree was now loaned to Melbourne City.
* ↑ Arcus was already on loan from Cercle Brugge to Auxerre during the 2017–18 season. All parties agreed to make the transfer permanent.
* ↑ Moore was already on loan from Leicester City to OH Leuven during the 2017–18 season. The loan was extended for another season.
* ↑ Dompé was on loan from Standard Liège to Amiens during the 2017–18 season. The loan ended and Dompé was sold to Gent.
* ↑ Doumbia was on loan from Anderlecht to Zulte Waregem during the 2017-18 season. The loan ended and Doumbia was sold to Akhmat Grozny.
* ↑ Faes was on loan from Anderlecht to Excelsior during the 2017–18 season. The loan ended and Faes was sold to Oostende.
* ↑ Inbrum was on loan from Gent to Ashdod during the second half of the 2017–18 season. The loan ended and Inbrum was now loaned to Beitar Jerusalem.
* ↑ Vancamp was on loan from Anderlecht to Roda JC during the 2017–18 season. The loan ended and Vancamp was sold to Beerschot Wilrijk.
* ↑ Acolatse was already on loan from Club Brugge to Sint-Truiden during the 2017–18 season. All parties agreed to make the transfer permanent.
* ↑ Vanheusden was already on loan from Internazionale to Standard Liège during the second half of the 2017-18 season. The loan was extended for another season.
* ↑ Lallemand was on loan from Kortrijk to Deinze during the 2017–18 season. After the loan ended, the contract of Lallemand with Kortrijk had expired, allowing him to move as a free agent to Deinze.
* ↑ Naah was already on loan from Manchester City to Tubize during the 2017–18 season. Naah's contract at Manchester City ended and Tubize signed him permanently.
* ↑ Perbet was on loan from Club Brugge to Kortrijk during the 2017–18 season. The loan ended and Perbet was now sold to Charleroi.
* ↑ Leya Iseka was on loan from Anderlecht to Zulte Waregem during the 2017–18 season. The loan ended and Leya Iseka was sold to Toulouse.
* ↑ Teunckens was already on loan from Club Brugge to Antwerp during the 2017–18 season. All parties agreed to make the transfer permanent.
* ↑ Lynen was already on loan from Club Brugge to Telstar during the second half of the 2017–18 season. All parties agreed to make the transfer permanent.
* ↑ Mmaee was on loan from Standard Liège to MVV during the 2017–18 season. The loan ended and Mmaee was sold to Sint-Truiden.
* ↑ Badibanga was on loan from Standard Liège to Lierse during the second half of the 2017–18 season. The loan ended and Badibanga was sold to Waasland-Beveren.
* ↑ Berben was on loan from OH Leuven to Oosterzonen during the second half of the 2017–18 season. The loan ended and Berben was sold to Lommel.
* ↑ Verburgh was on loan from Club Brugge to Waasland-Beveren during the second half of the 2017–18 season. The loan ended and Verburgh was now sold to Roda JC.
* ↑ Azevedo was on loan from OH Leuven to Lommel during the second half of the 2017–18 season. The loan ended and Azevedo signed as a free agent player for Lommel.
* ↑ Bongonda was already on loan from Celta de Vigo to Zulte Waregem during the 2017–18 season. All parties agreed to make the transfer permanent.
* ↑ Cavanda was already on loan from Galatasaray to Standard Liège during the 2017–18 season. All parties agreed to make the transfer permanent.
* ↑ Janssens was on loan from Genk to MVV during the 2017-18 season. The loan ended and Janssens was now sold to Westerlo.
* ↑ Vagner was on loan from Excel Mouscron to Boavista during the 2017–18 season. The loan ended and Vagner was now sold to Qarabağ.
* ↑ Badji was on loan from Anderlecht to Kayserispor during the 2017–18 season. The loan ended and Badji was now sold to Bursaspor.
* ↑ Jambor was on loan from Lokeren to Osijek during the 2017–18 season. The loan ended and Jambor was now sold to Široki Brijeg.
* ↑ Lambrecth was on loan from Anderlecht to Waremme during the 2017–18 season. The loan ended and Lambrecth was released.
* ↑ Sula was on loan from OH Leuven to Lommel during the 2017-18 season. The loan ended and Sula was sold to Waasland-Beveren.
* ↑ Graovac was on loan from Excel Mouscron to Željezničar during the 2017-18 season. The loan ended and Graovac was sold to Waasland-Beveren.
* ↑ Matheus was already on loan from Londrina to Antwerp during the 2017-18 season. The loan ended but all parties came to an agreement to make the transfer permanent.
* ↑ Miya was on loan from Standard Liège to Sabail since the 2017-18 winter transfer window. The loan ended and Miya was sold to Gorica.
* ↑ Salah was on loan from Union SG to Sint-Truiden during the 2017-18 season. The loan ended and Salah was sold to Olympic Charleroi.
* ↑ Stevance was on loan from Charleroi to Tubize during the 2017-18 season. The loan ended and Stevance was sold to Tours.
* ↑ Kage was on loan from Kortrijk to Kardemir Karabükspor during the second half of the 2017–18 season. The loan ended and Kage was now loaned to Adana Demirspor.
* ↑ Mitrović was on already loan from Besiktas to Club Brugge during the second half of the 2017–18 season. All parties agreed to make the transfer permanent.
* ↑ Olayinka was on loan from Gent to Zulte Waregem during the 2017–18 season. The loan ended and Olayinka was now sold to Slavia Pragua.
* ↑ Rotariu was on loan from Club Brugge to Excel Mouscron during the 2017–18 season. The loan ended and Rotariu was now loaned to AZ.
* ↑ Awoniyi was on loan from Liverpool to Excel Mouscron during the 2017–18 season. The loan ended and Awoniyi was now loaned to Gent.
* ↑ Brodić was already on loan from Club Brugge to Catania since the 2017–18 winter transfer window. All parties agreed to make the transfer permanent.
* ↑ Van Vaerenbergh was on loan from Club Brugge to Eindhoven. The loan ended and Van Vaerenbergh was now sold to Dender EH.
* ↑ Verdier was on loan from Eupen to Mechelen during the second half of the 2017-18 season. After the loan ended, Verdiers contract was terminated, allowing him to move to Stade Lavallois.
* ↑ Delorge was on loan from Genk to Dordrecht during the 2017-18 season. After the loan ended, Delorge was sold to Dinamo București.
* ↑ Naranjo was on loan from Genk to Leganés during the 2017-18 season. After the loan ended, Naranjo was sold to Tenerife.
* ↑ Niňaj was on loan from Lokeren to Žilina during the second half of the 2017-18 season. After the loan ended, Niňaj was sold to Fortuna Sittard.
* ↑ Rherras was on loan from Mechelen to Hibernian during the second half of the 2017-18 season. After the loan ended, Rherras' contract was terminated allowing him to move as a free player to Béziers.
* ↑ Although the news was announced on 24 July, the transfer only occurred on 1 August, to allow Kaya to take part in the opening match of Zulte Waregem.
* ↑ Bala was on loan from Zulte Waregem to Hapoel Acre during the 2017-18 season. The loan ended and Bala was now loaned to Hapoel Marmorek.
* ↑ Reichert was on loan from Zulte Waregem to Hapoel Acre during the first half og 2018. The loan ended and Reichert was now loaned to Ashdod.
* ↑ Kiese Thelin was on loan from Anderlecht to Waasland-Beveren during the 2017-18 season. Kiese Thelin was now loaned to Leverkusen.
* ↑ Mees was on loan from Mechelen to Rupel Boom since the 2016 summer transfer window. The loan ended and Mees was now loaned to Duffel.
* ↑ Beridze was on loan from Gent to Trenčín during the 2017-18 season. The loan ended and Beridze was now loaned to Újpest.
* ↑ Pina Isla was already on loan from Club Brugge to Alavés during the 2017-18 season. The loan ended but all parties agreed to make the move permanent.
* ↑ Govea was on loan from Porto to Excel Mouscron during the 2017-18 season. The loan ended and Govea was now loaned to Antwerp.
* ↑ Dussenne was on loan from Crotone to Gent during the 2017-18 season. The loan ended and Dussenne was now sold to Excel Mouscron.
* ↑ Charisis was on loan from PAOK to Sint-Truiden during the 2017-18 season. The loan ended and PAOK was now loaned to Kortrijk.
* ↑ Oularé was on loan from Watford to Antwerp during the 2017-18 season. The loan ended and Oularé was now loaned to Standard Liège.
* ↑ Peffer was on loan from Mechelen to Westerlo during the 2017-18 season. The loan ended and Peffer was now loaned to Dessel Sport.
* ↑ Lokando was on loan from OH Leuven to Heist during the 2017–18 season. After the loan ended, Lokando was released to RWDM47.
* ↑ Buyl was on loan from Cercle Brugge to Westerlo during the second half of the 2017-18 season. All parties agreed to make the transfer permanent.
* ↑ Mühren was on loan from Zulte Waregem to Sparta Rotterdam during the 2017-18 season. The loan ended and Mühren was now loaned to NAC Breda.
* ↑ Bruno was on loan from Leipzig to Anderlecht during the 2017–18 season. The loan ended and Bruno was now sold to Charleroi.
* ↑ Coopman was on loan from Club Brugge to Zulte Waregem during the 2017–18 season. The loan ended and Coopman was now sold to Oostende.
* ↑ De Sart was on loan from Middlesbrough to Zulte Waregem during the 2017–18 season. The loan ended and De Sart was now sold to Kortrijk.
* ↑ Mmaee was on loan from Standard to Waasland-Beveren during the 2017–18 season. The loan ended and Mmaee was now loaned to AGF.
* ↑ Mombongo-Dues was on loan from Union SG to RFC Liège during the 2017–18 season. After the loan ended, Mombongo-Dues was released by Union SG, allowing him to move as a free agent player to Patro Esden Maasmechelen.
* ↑ Van Rhijn was already on loan from Club Brugge to AZ during the 2017-18 season. All parties agreed to make the transfer permanent.
* ↑ Van Roose was on loan from Cercle Brugge to Torhout during the 2017-18 season. The loan ended and Van Roose was now loaned to Wingene.
* ↑ Davidzada was already on loan from Gent to Maccabi Tel Aviv during the 2017-18 season. All parties agreed to make the transfer permanent.