| Heikki Hermunen | |
| Birth Place: | Espoo, Finland |
| Since: | 1984 |
| Darts: | 22g |
| Laterality: | Right-handed |
| Music: | "Paranoid" by Black Sabbath |
| Bdo: | 1991–1995 |
| Bdo World: | Last 32: 1992 |
| World Masters: | Last 32: 1992 |
| Tournament: | Nordic Cup Open |
| Resultyears: | 1992 |
| Updated: | 17 June 2021 |
Heikki Hermunen (born 26 August 1964) is a Finnish former professional darts player who played in the 1990s.
He played at the 1992 BDO World Darts Championship where he was defeated 3–0 by Scotsman Jamie Harvey in the first round. He also played in the Winmau World Masters the same year, losing in the first round to Mike Gregory. His best performance in the BDO, came in the 1993 Belgium Open, where he reached the final, losing to future World Champion Steve Beaton.