| Théodore Nouwens | |
| Birth Date: | 17 February 1908 |
| Birth Place: | Mechelen, Belgium |
| Position: | Defender |
| Years1: | 1923–1937 |
| Clubs1: | FC Malines |
| Nationalyears1: | 1928–1933 |
| Nationalteam1: | Belgium |
| Nationalcaps1: | 23 |
| Nationalgoals1: | 0 |
Théodore Nouwens (17 February 1908 – 21 December 1974) was a Belgian international footballer who participated at the 1930 FIFA World Cup.