| Denis Mast | |
| Nationality: | Swiss |
| Sport: | Cross-country skiing |
| Birth Date: | 4 March 1941 |
| Birth Place: | Les Verrières, Switzerland |
Denis Mast (born 4 March 1941) is a Swiss cross-country skier. He competed in the men's 30 kilometre event at the 1968 Winter Olympics.[1]