| Ganga Bahadur Thapa | |
| Birth Name: | Krishna Bahadur Thapa |
| Nationality: | Nepalese |
| Sport: | Long-distance running |
| Event: | Marathon |
| Birth Date: | 1935 |
| Birth Place: | Pharping, Basbari, Nepal |
| Death Date: | 25 January |
| Death Place: | Kathmandu, Nepal |
Ganga Bahadur Thapa (1935 - 25 January 2011) was a Nepalese long-distance runner. He competed in the marathon at the 1964 Summer Olympics.[1]