| Leif Hermansen | |
| Birth Name: | Erik Leif Haugelund Hermansen |
| Birth Date: | 2 November 1925 |
| Birth Place: | Frederiksværk, Denmark |
| Death Date: | [1] |
| Sport: | Rowing |
Erik Leif Haugelund Hermansen (2 November 1925 - 27 December 2005) was a Danish rower. He competed at the 1952 Summer Olympics in Helsinki with the men's eight where they were eliminated in the semi-finals repêchage.[2]