Sebastian Ofner
| Ofner at the 2023 French Open | |
| Country (sports) | Austria | 
|---|---|
| Residence | Sankt Marein im Mürztal, Austria | 
| Born | 12 May 1996 Bruck an der Mur, Austria | 
| Height | 1.91 m (6 ft 3 in) | 
| Turned pro | 2015 | 
| Plays | Right-handed (two-handed backhand) | 
| Coach | Stefan Rettl, Wolfgang Thiem (2017-), Alexander Peya (2019) | 
| Prize money | US$ 3,007,911 | 
| Singles | |
| Career record | 48–56 | 
| Career titles | 0 | 
| Highest ranking | No. 37 (8 January 2024) | 
| Current ranking | No. 122 (16 June 2025) | 
| Grand Slam singles results | |
| Australian Open | 1R (2024) | 
| French Open | 4R (2023) | 
| Wimbledon | 3R (2017) | 
| US Open | 2R (2023) | 
| Other tournaments | |
| Olympic Games | 2R (2024) | 
| Doubles | |
| Career record | 3–19 | 
| Career titles | 0 | 
| Highest ranking | No. 240 (29 January 2024) | 
| Current ranking | No. 327 (16 June 2025) | 
| Grand Slam doubles results | |
| Australian Open | 2R (2024) | 
| Wimbledon | 2R (2024) | 
| US Open | 1R (2023, 2024) | 
| Last updated on: 16 June 2025. | |
Sebastian Ofner (born 12 May 1996) is an Austrian professional tennis player. He has a career high ATP singles ranking of World No. 37 achieved on 8 January 2024. He is currently the No. 1 Austrian player.