| Played For: | NLA HC Fribourg-Gottéron Lausanne HC |
| Position: | Defence |
| Birth Date: | 25 November 1956 |
| Birth Place: | Quebec City, Quebec, Canada |
| Height Ft: | 5 |
| Height In: | 7 |
| Weight Lb: | 165 |
| Shoots: | Left |
| Ntl Team: | Canada |
| Draft: | Undrafted |
| Wha Draft: | 52nd overall |
| Wha Draft Team: | Indianapolis Racers |
| Wha Draft Year: | 1976 |
| Career Start: | 1976 |
| Career End: | 1997 |
Jean Gagnon (born November 25, 1956) is a former Canadian-born ice hockey player who played 20 seasons of professional hockey, including six seasons (1980–1986) with HC Fribourg-Gottéron in the Swiss National League A.