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