| Matthias Keller | |
| Birth Date: | 20 November 1974 |
| Birth Place: | Schweinfurt, West Germany |
| Height: | 1.80 m |
| Position: | Midfielder |
| Youthclubs1: | TSV Röthlein |
| Youthyears2: | –1996 |
| Youthclubs2: | 1. FC Schweinfurt 05 |
| Years1: | 1993–1996 |
| Clubs1: | 1. FC Schweinfurt 05 |
| Caps1: | 91 |
| Goals1: | 10 |
| Years2: | 1996–1997 |
| Clubs2: | 1. FC Kaiserslautern |
| Caps2: | 1 |
| Goals2: | 0 |
| Years3: | 1997–2000 |
| Clubs3: | SV Meppen |
| Caps3: | 57 |
| Goals3: | 5 |
| Years4: | 2000–2005 |
| Clubs4: | Eintracht Trier |
| Caps4: | 160 |
| Goals4: | 22 |
| Years5: | 2005–2008 |
| Clubs5: | 1899 Hoffenheim |
| Caps5: | 52 |
| Goals5: | 3 |
| Years6: | 2007–2009 |
| Clubs6: | 1899 Hoffenheim II |
| Caps6: | 44 |
| Goals6: | 6 |
| Years7: | 2009–2011 |
| Clubs7: | FC Zuzenhausen |
| Caps7: | 1 |
| Goals7: | 0 |
| Years8: | 2013–2015 |
| Clubs8: | TSV Röthlein[1] [2] |
| Totalcaps: | 406 |
| Totalgoals: | 46 |
Matthias Keller (born 20 November 1974 in Schweinfurt) is a German retired footballer.[3]
He was a member of the team that won promotion to the 2. Bundesliga as well as promotion to the Bundesliga. Since the end of the 2007–08 season, Keller played for Hoffenheim's reserve team until 2009. He has a wife, Sonja, and one daughter.[4]