# List of number-one hits of 2015 (Austria)

This is a list of the Austrian number-one singles and albums of 2015 as compiled by Ö3 Austria Top 40, the official chart provider of Austria.
| Issue date | Song | Artist | Album | Artist |
| 2 January | "Take Me to Church" | Hozier | Sing meinen Song – Das Weihnachtskonzert | Various Artists |
| 9 January | "Take Me to Church" | Hozier | Mitten im Leben – Das Tribute Album | Udo Jürgens und seine Gäste |
| 16 January | "Take Me to Church" | Hozier | Mitten im Leben – Das Tribute Album | Udo Jürgens und seine Gäste |
| 23 January | "Take Me to Church" | Hozier | Neujahrskonzert 2015 | Vienna Philharmonic / Zubin Mehta |
| 30 January | "Take Me to Church" | Hozier | Farbenspiel | Helene Fischer |
| 6 February | "Take Me to Church" | Hozier | Farbenspiel | Helene Fischer |
| 13 February | "Take Me to Church" | Hozier | Werwolf-Attacke – Monsterball ist überall | Erste Allgemeine Verunsicherung |
| 20 February | "Love Me like You Do" | Ellie Goulding | Werwolf-Attacke – Monsterball ist überall | Erste Allgemeine Verunsicherung |
| 27 February | "Love Me like You Do" | Ellie Goulding | Carlo Cokxxx Nutten 3 | Bushido |
| 6 March | "Love Me like You Do" | Ellie Goulding | Fifty Shades of Grey: Original Motion Picture Soundtrack | Various Artists |
| 13 March | "Love Me like You Do" | Ellie Goulding | Schick Schock | Bilderbuch |
| 20 March | "Cheerleader" (Felix Jaehn Remix) | OMI | Rebel Heart | Madonna |
| 27 March | "Are You with Me" | Lost Frequencies | Tracker | Mark Knopfler |
| 3 April | "Are You with Me" | Lost Frequencies | Werwolf-Attacke – Monsterball ist überall | Erste Allgemeine Verunsicherung |
| 10 April | "Are You with Me" | Lost Frequencies | Das letzte Konzert Zürich 2014 – Live | Udo Jürgens mit dem Pepe Lienhard Orchester |
| 17 April | "See You Again" | Wiz Khalifa featuring Charlie Puth | Opposition | Frei.Wild |
| 24 April | "See You Again" | Wiz Khalifa featuring Charlie Puth | Fesch | Seer |
| 1 May | "See You Again" | Wiz Khalifa featuring Charlie Puth | Planktonweed Tape | SpongeBozz |
| 8 May | "See You Again" | Wiz Khalifa featuring Charlie Puth | Chrome | DAT ADAM |
| 15 May | "See You Again" | Wiz Khalifa featuring Charlie Puth | The Demon Diaries | Parov Stelar |
| 22 May | "See You Again" | Wiz Khalifa featuring Charlie Puth | Achter Tag | Genetikk |
| 29 May | "Want to Want Me" | Jason Derulo | Conchita | Conchita Wurst |
| 5 June | "Heroes" | Måns Zelmerlöw | Conchita | Conchita Wurst |
| 12 June | "Heroes" | Måns Zelmerlöw | Mountain Man | Andreas Gabalier |
| 19 June | "Ain't Nobody (Loves Me Better)" | Felix Jaehn featuring Jasmine Thompson | Sing meinen Song – Das Tauschkonzert – Volume 2 | Various Artists |
| 26 June | "Waiting for Love" | Avicii | Fata Morgana | KC Rebell |
| 3 July | "Waiting for Love" | Avicii | Sing meinen Song – Das Tauschkonzert – Volume 2 | Various Artists |
| 10 July | "Supergirl" | Anna Naklab featuring Alle Farben & YOUNOTUS | Santiago Blue | Die Amigos |
| 17 July | "Supergirl" | Anna Naklab featuring Alle Farben & YOUNOTUS | MTV Unplugged | Cro |
| 24 July | "Reality" | Lost Frequencies featuring Janieck Devy | Sing meinen Song – Das Tauschkonzert – Volume 2 | Various Artists |
| 31 July | "Reality" | Lost Frequencies featuring Janieck Devy | Sing meinen Song – Das Tauschkonzert – Volume 2 | Various Artists |
| 7 August | "Reality" | Lost Frequencies featuring Janieck Devy | Leider zu gefährlich... | Marc Pircher |
| 14 August | "Drag Me Down" | One Direction | MTV Unplugged | Cro |
| 21 August | "Sugar" | Robin Schulz featuring Francesco Yates | 7 | Paul Kalkbrenner |
| 28 August | "Sugar" | Robin Schulz featuring Francesco Yates | Lebendig begraben | Dame |
| 4 September | "Schweigeminute (Traiskirchen)" | Raoul Haspel | Burning Bridges | Bon Jovi |
| 11 September | "What Do You Mean?" | Justin Bieber | Bad Magic | Motörhead |
| 18 September | "Schrei nach Liebe" | Die Ärzte | The Book of Souls | Iron Maiden |
| 25 September | "Astronaut" | Sido featuring Andreas Bourani | Liebe Pur | Oliver Haidt |
| 2 October | "Astronaut" | Sido featuring Andreas Bourani | Crosseyed Heart | Keith Richards |
| 9 October | "Astronaut" | Sido featuring Andreas Bourani | Dos Bros | The BossHoss |
| 16 October | "Astronaut" | Sido featuring Andreas Bourani | Bussi | Wanda |
| 23 October | "Astronaut" | Sido featuring Andreas Bourani | Bussi | Wanda |
| 30 October | "Astronaut" | Sido featuring Andreas Bourani | Bussi | Wanda |
| 6 November | "Hello" | Adele | Sounds Good Feels Good | 5 Seconds Of Summer |
| 13 November | "Hello" | Adele | Bussi | Wanda |
| 20 November | "Hello" | Adele | CLA$$IC | Bushido & Shindy |
| 27 November | "Ham kummst" | Seiler und Speer | Weihnachten | Helene Fischer & The Royal Philharmonic Orchestra |
| 4 December | "Hello" | Adele | 25 | Adele |
| 11 December | "Ham kummst" | Seiler und Speer | Weihnachten | Helene Fischer & The Royal Philharmonic Orchestra |
| 18 December | "Ham kummst" | Seiler und Speer | Weihnachten | Helene Fischer & The Royal Philharmonic Orchestra |
| 25 December | "Ham kummst" | Seiler und Speer | Weihnachten | Helene Fischer & The Royal Philharmonic Orchestra |