| Thierry Debès | |
| Fullname: | Thierry Debès |
| Birth Date: | 13 January 1974 |
| Birth Place: | Strasbourg, France |
| Position: | Goalkeeper |
| Years1: | 1996–2003 |
| Years2: | 2002–2003 |
| Years3: | 2003–2004 |
| Years4: | 2004–2007 |
| Years5: | 2007–2012 |
| Clubs1: | RC Strasbourg |
| Clubs2: | → Grenoble (loan) |
| Clubs3: | Grenoble |
| Clubs4: | Guingamp |
| Clubs5: | AC Ajaccio |
| Caps1: | 42 |
| Goals1: | 0 |
| Caps2: | 37 |
| Goals2: | 0 |
| Caps3: | 29 |
| Goals3: | 0 |
| Caps4: | 83 |
| Goals4: | 0 |
| Caps5: | 141 |
| Goals5: | 0 |
| Totalcaps: | 332 |
| Totalgoals: | 0 |
Thierry Debès (born 13 January 1974, in Strasbourg) is a retired French football goalkeeper. He was once AC Ajaccio's captain. In October 2014, Debés was named Interim Coach of AC Ajaccio. In his first game, he led Ajaccio to a 2–1 victory against Valenciennes on 24 October 2014.