| Serge Jentgen | |
| Birth Date: | 1962 1, df=yes |
| Position: | midfielder |
| Years1: | 1983–1994 |
| Clubs1: | Avenir Beggen |
| Years2: | 1994–1995 |
| Clubs2: | CS Pétange |
| Nationalyears1: | 1983–1984 |
| Nationalteam1: | Luxembourg |
| Nationalcaps1: | 6 |
| Nationalgoals1: | 0 |
Serge Jentgen (born 28 January 1962) is a retired Luxembourgian football midfielder.