| Thierno Bah | |
| Fullname: | Thierno Lamine Bah |
| Birth Date: | 1982 10, df=yes |
| Birth Place: | Labé, Guinea |
| Height: | 1.75 m |
| Position: | Midfielder |
| Years1: | 1999–2004 |
| Years2: | 2005–2006 |
| Years3: | 2006–2010 |
| Years4: | 2011–2012 |
| Years5: | 2012–2013 |
| Years6: | 2013–2014 |
| Years7: | 2015–2017 |
| Clubs1: | Servette |
| Clubs2: | Meyrin |
| Clubs3: | Neuchâtel Xamax |
| Clubs4: | Lausanne-Sport |
| Clubs5: | Al-Taawon |
| Clubs6: | Al Khaleej |
| Clubs7: | Étoile Carouge |
| Caps1: | 89 |
| Caps2: | 16 |
| Caps3: | 102 |
| Caps4: | 40 |
| Goals1: | 4 |
| Goals2: | 1 |
| Goals3: | 0 |
| Goals4: | 0 |
| Nationalyears1: | 2002–2004 |
| Nationalteam1: | Switzerland U21 |
| Nationalcaps1: | 20 |
| Nationalgoals1: | 0 |
| Nationalyears2: | 2011– |
| Nationalteam2: | Guinea |
| Nationalcaps2: | 10 |
| Nationalgoals2: | 0 |
| Pcupdate: | 5 July 2012 |
| Ntupdate: | 5 July 2012 |
Thierno Bah (born 5 October 1982 in Labé, Guinea)[1] is a Guinean retired footballer who last played for Étoile Carouge FC. Bah is a former Switzerland youth international and represented the Swiss under-21 team. He signed for Lausanne-Sport in January 2011 and left after a year and half at the end of the 2011–2012 season.[2]