| Thomas Janeschitz | |
| Height: | 1.82 m |
| Birth Date: | 22 June 1966 |
| Position: | Striker |
| Currentclub: | FC Dornbirn (head coach) |
| Youthyears1: | 1972–1981 |
| Youthclubs1: | Austria Wien |
| Youthclubs2: | SV Kagran |
| Youthclubs3: | Wiener Sportklub |
| Years1: | 1984–1987 |
| Years2: | 1987–1990 |
| Years3: | 1990–1993 |
| Years4: | 1993–1997 |
| Years5: | 1997–1998 |
| Clubs1: | Wiener Sport-Club |
| Clubs2: | Kremser SC |
| Clubs3: | Wiener Sport-Club |
| Clubs4: | Tirol Innsbruck |
| Clubs5: | Austria Wien |
| Nationalteam1: | Austria |
| Nationalcaps1: | 1 |
| Nationalgoals1: | 0 |
| Manageryears1: | 1999–2001 |
| Manageryears2: | 2001–2002 |
| Manageryears3: | 2002–2005 |
| Manageryears4: | 2005–2006 |
| Manageryears5: | 2006–2008 |
| Manageryears6: | 2008–2016 |
| Manageryears7: | 2011–2018 |
| Manageryears8: | 2018–2020 |
| Manageryears9: | 2022–2024 |
| Managerclubs1: | Rapid Wien (youth team) |
| Managerclubs2: | Admira Wacker |
| Managerclubs3: | Austria Wien (amateur team) |
| Managerclubs4: | Austria Wien (assistant) |
| Managerclubs5: | Austria Wien II |
| Managerclubs6: | Austria (development) |
| Managerclubs7: | Austria (assistant) |
| Managerclubs8: | Basel (assistant) |
| Managerclubs9: | FC Dornbirn |
Thomas Janeschitz (born 22 June 1966) is an Austrian professional football manager and former player whose last position was the head coach of 2. Liga club FC Dornbirn.[1]