| Denis Tsoumou | |
| Fullname: | Denis Tsoumou |
| Birth Date: | 9 November 1978 |
| Birth Place: | Brazzaville, Republic of the Congo |
| Height: | 1.76 m |
| Position: | Midfielder |
| Years1: | 1998–2002 |
| Years2: | 2002–2005 |
| Caps2: | 58 |
| Goals2: | 4 |
| Years3: | 2005–2007 |
| Caps3: | 67 |
| Goals3: | 3 |
| Years4: | 2007–2009 |
| Caps4: | 50 |
| Goals4: | 0 |
| Nationalyears1: | 1998–2008 |
| Nationalcaps1: | 25 |
| Nationalgoals1: | 2 |
Denis Tsoumou (born 9 November 1978 in Brazzaville) is a Congolese former professional footballer who played as a midfielder. He played for French clubs Saint-Priest, Gueugnon, and Chamois Niortais. At international level, he won 15 caps for the Congo national team.