| Halfdan Petterøe | |
| Nationality: | Norwegian |
| Sport: | Equestrian |
| Birth Date: | 30 January 1906 |
| Birth Place: | Oslo, Norway |
| Death Place: | Oslo, Norway |
Halfdan Petterøe (30 January 1906 - 15 February 1994) was a Norwegian equestrian. He competed in two events at the 1936 Summer Olympics.[1]