| Heikki Leppänen | |
| Nationality: | Finnish |
| Sport: | Athletics |
| Event: | Decathlon |
| Birth Date: | 31 August 1946 |
| Birth Place: | Tampere, Finland |
Heikki Leppänen (born 31 August 1946) is a Finnish athlete. He competed in the men's decathlon at the 1976 Summer Olympics.[1]