| Birth Date: | December 24, 1937 |
| Birth Place: | Langnau im Emmental, Switzerland |
| Height Ft: | 5 |
| Height In: | 5 |
| Weight Lb: | 181 |
| Position: | Forward |
| Ntl Team: | SUI |
| Career Start: | 1962 |
| Career End: | 1964 |
Otto Wittwer (born December 24, 1937) is a retired Swiss professional ice hockey player who represented the Swiss national team at the 1964 Winter Olympics.[1]