# List of ship launches in 1778

The list of ship launches in 1778 includes a chronological list of some ships launched in 1778.
| Date | Country | Builder | Location | Ship | Class | Notes |
| 28 February | Kingdom of France | | Rochefort | Courageuse | Concorde-class frigate | For French Navy. |
| February | Dutch Republic | | Amsterdam | Indien | Frigate | For Deane, Franklin & Lee. |
| 2 March | Great Britain | John Fisher | Liverpool | Hyaena | Porcupine-class post ship | For Royal Navy. |
| 16 March | Kingdom of France | Lemarchand | Saint-Malo | Résolue | Iphigénie-class frigate | For French Navy. |
| 26 March | Kingdom of France | Gilles Cambry | Lorient | Surveillante | Iphigénie-class frigate | For French Navy. |
| March | Kingdom of France | | Rochefort | Junon | Charmante-class frigate | For French Navy. |
| Unknown date | Kingdom of France | Marion Brillantais | Saint-Malo | Prudente | Iphigénie-class frigate | For French Navy. |
| 11 April | United States | | | Angelica | Privateer | For Massachusetts State Navy. |
| 25 April | Russia | S. I. Afanaseyev | Novokhoperskaya | Vosmoi | Vosmoi-class frigate | For Imperial Russian Navy. |
| 28 April | United States | William & James K. Hackett | Amesbury, Massachusetts | Hancock | Frigate | For Continental Navy. |
| 28 April | Great Britain | James Martin Hillhouse | Bristol | Medea | Enterprise-class frigate | For Royal Navy. |
| 28 April | Great Britain | John Barnard | Ipswich | Savage | Swan-class sloop | For Royal Navy. |
| 11 May | Kingdom of France | Fromy Dupuy | Saint-Malo | Amazone | Iphigénie-class frigate | For French Navy. |
| 13 May | Great Britain | John Randall & Co. | Rotherhithe | Jupiter | Portland-class ship of the line | For Royal Navy. |
| 14 May | Great Britain | Robert Batson | Limehouse | Janus | Roebuck-class ship | For Royal Navy. |
| 15 May | Russia | M. D. Portnov | Archangelsk | Alexander | Modified Pavel-class frigate | For Imperial Russian Navy. |
| 15 May | Republic of Venice | Giovanni Domenico Giacomazzi | Venice | Brilliante | Fifth rate | For Venetian Navy. |
| 15 May | Russia | M. D. Portnov | Archangelsk | Voin | Modified Pavel-class frigate | For Imperial Russian Navy. |
| 21 May | Russia | V.Gunion | Archangelsk | Mariia | Pavel-class frigate | For Imperial Russian Navy. |
| 26 May | Republic of Venice | Giovanni Domenico Giacomazzi | Venice | Sirena | Fourth rate | For Venetian Navy. |
| 27 May | Great Britain | Israel Pownoll | Chatham Dockyard | Nymph | Swan-class sloop | For Royal Navy. |
| 28 May | Great Britain | Adam Hayes | Deptford Dockyard | Amphitrite | Porcupine-class post ship | For Royal Navy. |
| May | Kingdom of France | | Nantes | Deane | Fifth rate | For Continental Navy. |
| May | Cuba | | Havana | Santa Matilda | Fifth rate | For Spanish Navy. |
| 18 June | Kingdom of France | Beaurgard de Segray | Saint-Malo | Gentille | Iphigénie-class frigate | For French Navy. |
| 25 June | Great Britain | Peter Baker | Liverpool | Penelope | Porcupine-class post ship | For Royal Navy. |
| 9 July | Kingdom of France | Fromy Dupuy | Saint Malo | La Gloire | Iphigénie-class frigate | For French Navy. |
| 28 July | Great Britain | Nicholas Phillips | Woolwich Dockyard | Fortune | Swan-class sloop | For Royal Navy. |
| 1 August | Kingdom of France | | Toulon | Magicienne | Magicienne-class frigate | For French Navy. |
| 3 August | Great Britain | Henry Ladd | Dover | Expedition | Sprightly-class Cutter (boat) | For Royal Navy. |
| 4 August | Great Britain | Thomas King | Dover | Sprightly | Sprightly-class Cutter (boat) | For Royal Navy. |
| 10 August | Great Britain | Perry | Blackwall | Earl Talbot | East Indiaman | For British East India Company. |
| 10 August | Great Britain | John Randall & Co. | Rotherhithe | Resource | Enterprise-class frigate | For Royal Navy. |
| 20 August | Kingdom of France | Pierre-Augustin Lamothe Kercaradec | Brest | Le Neptune | Third rate | For French Navy. |
| 22 August | Kingdom of France | | Saint-Malo | Bellone | Iphigénie-class frigate | For French Navy. |
| 22 August | Kingdom of France | Joseph-Marie-Blaise Coulomb | Toulon | La Precieuse | Magicienne-class frigate | For French Navy. |
| 24 August | Great Britain | John Perry | Blackwall Yard | Atlas | East Indiaman | For British East India Company. |
| 27 August | Balearic Islands | | Port Mahon | Minorca | Xebec | For Royal Navy. |
| 7 September | Great Britain | James Mentone & Son | Limehouse | Childers | Childers-class brig-sloop | For Royal Navy. |
| 9 September | Ireland | King's Yard | Dublin | Fame | Privateer | For private owner. |
| 18 September | Kingdom of France | Leon-Michel Guignace | Brest | Auguste | Ship of the line | For French Navy. |
| 19 September | Kingdom of France | François-Guillaume Clairain des Lauriers | Rochefort | Scipion | Scipion-class ship of the line | For French Navy. |
| 20 September | Kingdom of France | Leon-Michel Guignace | Saint-Malo | Médée | Iphigénie-class frigate | For French Navy. |
| 22 September | Great Britain | Thomas Raymond | Southampton | Pomona | Enterprise-class frigate | For Royal Navy. |
| 5 October | Kingdom of France | Jacques-Noël Sané | Brest | Annibal | Annibal-class ship of the line | For Royal Navy. |
| 5 October | Kingdom of France | François-Guillaume Clairain des Lauriers | Rochefort | Hercule | Scipion-class ship of the line | For French Navy. |
| 8 October | Great Britain | Adam Hayes | Deptford Dockyard | Alexander | Alfred-class ship of the line | For Royal Navy. |
| 8 October | Great Britain | John Barnard | Harwich | Charon | Fifth rate | For Royal Navy. |
| 22 October | Great Britain | Joseph Harris, William Gray, & Israel Pownoll | Chatham Dockyard | Alfred | Alfred-class ship of the line | For Royal Navy. |
| 22 October | Great Britain | John Wells | Deptford | Ganges | East Indiaman | For British East India Company. |
| 24 October | Great Britain | John Jenner | Sheerness Dockyard | Fairy | Swan-class sloop | For Royal Navy. |
| 5 November | Kingdom of France | François-Guillaume Clairain des Lauriers | Rochefort | Pluton | Scipion-class ship of the line | For French Navy. |
| 7 November | Great Britain | Edward Greaves | Limehouse | Delight | Swan-class sloop | For Royal Navy. |
| 8 November | United States | Jedidiah Willetts | Norwich, Connecticut | Confederacy | Frigate | For Continental Navy. |
| 13 November | Dutch Republic | John May | Amsterdam | Admiraal de Ruiter | Third rate | For Dutch Navy. |
| November | Kingdom of France | | Dunkerque | Mutin | Mutin-class Cutter (boat) | For French Navy. |
| November | Kingdom of France | Jacques & Danie Denys | Dunkerque | Pilote | Mutin-class Cutter (boat) | For French Navy. |
| 18 December | Great Britain | Mr. Pye | Stockton-on-Tees | Bellona | Frigate | For Royal Navy. |
| 30 December | Kingdom of France | Joseph-Marie-Blaise Coulomb | Toulon | Le Héros | Third rate | For French Navy. |
| December | Kingdom of France | | Dunkerque | Le Tapageur | Mutin-class Cutter (boat) | For French Navy. |
| Unknown date | Republic of Venice | | | Achille | Xebec | For Venetian Navy. |
| Unknown date | Kingdom of France | | | Américaine | Privateer | For Bretel, Ernouf & La Houssaye. |
| Unknown date | Sweden | Djurgårdsvarvet | Stockholm | Amphion | Turuma | For Gustav III. |
| Unknown date | India | | Bombay | Amphitrite | East Indiaman | For British East India Company. |
| Unknown date | Kingdom of France | | Nantes | Astrée | Privateer | For Guilliaume et fils. |
| Unknown date | India | | Bombay | Bencoolen | East Indiaman | For British East India Company. |
| Unknown date | India | | Bombay | Britannia | East Indiaman | For British East India Company. |
| Unknown date | United States | | Massachusetts | Bunker Hill | Privateer | For Bartholomew Putnam & Jacob Ashton. |
| Unknown date | Great Britain | | Folkestone | Busy | Cutter | For Royal Navy. |
| Unknown date | Ottoman Empire | Kalas | | Burc-i Zafer | Fourth rate | For Ottoman Navy. |
| Unknown date | Ottoman Empire | Kalas | | Ejder Başlı | Fourth rate | For Ottoman Navy. |
| Unknown date | Great Britain | Henry Adams | Bucklers Hard | General Barker | East Indiaman | For British East India Company. |
| Unknown date | Great Britain | Wells | | Halsewell | East Indiaman | For British East India Company. |
| Unknown date | Great Britain | Adams & Barnard | Deptford Dockyard | Hydra | Sixth rate | For Royal Navy. |
| Unknown date | Great Britain | Peter Everett Mestaer | Rotherhithe | Incendiary | Fireship | For Royal Navy. |
| Unknown date | Great Britain | John Perry | Blackwall Yard | Infernal | Fireship | For Royal Navy. |
| Unknown date | Kingdom of France | Jacques Denys | Dunkerque | La Comtesse de Provence | Privateer | For private owner. |
| Unknown date | Viceroyalty of New Spain | | San Blas | La Princesa | Corvette or frigate | For Spanish Navy. |
| Unknown date | Kingdom of France | | Boulogne | La Princesse de Robecq | Frigate | For private owner. |
| Unknown date | Kingdom of France | François-Guillaume Clairain des Lauriers | Saint-Malo | La Valeur | Corvette | For French Navy. |
| Unknown date | Konbaung dynasty | | Rangoon | Lawriston | Corvette | For French East India Company. |
| Unknown date | Kingdom of France | | Saint-Malo | Le Duc de Mortemart | Privateer | For Claude Dubois Le Jaune. |
| Unknown date | Kingdom of France | | Havre de Grâce | Le Monsieur | Privateer | For private owners. |
| Unknown date | Great Britain | John Randall | Rotherhithe | Lucifer | Fireship | For Royal Navy. |
| Unknown date | Ottoman Empire | | Constantinople | Melikü'l Bahr | Third rate | For Ottoman Navy. |
| Unknown date | India | | Bombay | Mermaid | Pilot boat | For British East India Company. |
| Unknown date | Ottoman Empire | | Constantinople | Nasır-ı Bahri | Fourth rate | For Ottoman Navy. |
| Unknown date | Republic of Venice | | | Nettuno | Xebec | For Venetian Navy. |
| Unknown date | India | | Bombay | Panther | Sloop-of-war | For Royal Navy. |
| Unknown date | Dutch Republic | | Amsterdam | Parel | East Indiaman | For Dutch East India Company. |
| Unknown date | Dutch East Indies | | Java | Patna | Sloop | For Bombay Pilot Service. |
| Unknown date | Great Britain | | | Princess Royal | Sloop | For private owner. |
| Unknown date | Ottoman Empire | | Constantinople | Raad-ı Bahri | Sixth rate | For Ottoman Navy. |
| Unknown date | India | | Bombay | Seahorse | Pilot boat | For British East India Company. |
| Unknown date | Great Britain | Nicholas Bools | Bridport | Shaftesbury | Cutter | For Carter Bros. |
| Unknown date | Portuguese India | | Daman | Temível Portuguesa | Fifth rate | For Portuguese Navy. |
| Unknown date | United States | | | Name unknown | Merchantman | For private owner. |
| Unknown date | Kingdom of France | | | Name unknown | Brigantine | For private owner. |
| Unknown date | Kingdom of France | | | Name unknown | Merchantman | For private owner. |