| Birth Date: | 1980 9, df=yes |
| Birth Place: | Villach, Austria |
| Position: | Midfielder |
| Currentclub: | Grazer AK (manager) |
| Years1: | 1999–2003 |
| Clubs1: | SV Spittal |
| Years2: | 2001–2002 |
| Caps2: | 0 |
| Goals2: | 0 |
| Years3: | 2002–2005 |
| Caps3: | 19 |
| Goals3: | 0 |
| Years4: | 2005–2007 |
| Clubs4: | FC Kärnten |
| Caps4: | 39 |
| Goals4: | 2 |
| Years5: | 2007–2013 |
| Caps5: | 142 |
| Goals5: | 11 |
| Years6: | 2013–2016 |
| Clubs6: | Wolsberger II |
| Years7: | 2017 |
| Clubs7: | SK St. Andrä |
| Manageryears1: | 2015–2017 |
| Managerclubs1: | SK St. Andrä |
| Manageryears2: | 2017–2018 |
| Managerclubs2: | Wolfsberger U18 |
| Manageryears3: | 2019 |
| Managerclubs3: | Wolfsberger U18 |
| Manageryears4: | 2021– |
| Managerclubs4: | Grazer AK |
Gernot Messner (born 10 October 1980) is an Austrian football manager and a former player. He was born in Villach. He is the manager of Grazer AK.[1]