| Clemens Wientjes | |
| Fullname: | Clemens Wientjes |
| Birth Date: | 8 February 1920 |
| Birth Place: | Germany |
| Death Date: | March 1998 (aged 78)[1] |
| Position: | Midfielder |
| Years1: | 1941–1945 |
| Clubs1: | 1. FC Nürnberg |
| Years2: | 1945–1947 |
| Clubs2: | Werden 08 |
| Years3: | 1947–1955 |
| Clubs3: | Rot-Weiss Essen |
| Nationalyears1: | 1952 |
| Nationalteam1: | West Germany |
| Nationalcaps1: | 2 |
| Nationalgoals1: | 0 |
Clemens Wientjes (8 February 1920 – 1998) was a German international footballer who played for 1. FC Nürnberg and Rot-Weiss Essen.[2]