| Otto Martwig | |
| Birth Date: | 24 February 1903 |
| Birth Place: | Berlin, Germany |
| Death Date: | May 1945 (aged 42) |
| Position: | Midfielder |
| Years1: | 1919–1925 |
| Clubs1: | Union Oberschöneweide |
| Years2: | 1925–1932 |
| Clubs2: | Tennis Borussia Berlin |
| Nationalyears1: | 1925–1927 |
| Nationalteam1: | Germany |
| Nationalcaps1: | 6 |
| Nationalgoals1: | 0 |
Otto Martwig (24 February 1903 – May 1945) was a German footballer who played for Union Oberschöneweide, Tennis Borussia Berlin and the Germany national team.[1] [2]