| Year: | 1965 |
| Team: | North Dakota Fighting Sioux |
| Sport: | football |
| Conference: | North Central Conference |
| Short Conf: | NCC |
| Record: | 9–1 |
| Conf Record: | 5–1 |
| Head Coach: | Marvin C. Helling |
| Hc Year: | 9th |
| Stadium: | Memorial Stadium |
| Champion: | Mineral Water Bowl champion |
| Bowl: | Mineral Water Bowl |
| Bowl Result: | W 37–20 vs. Northern Illinois |
The 1965 North Dakota Fighting Sioux football team, also known as the Nodaks, was an American football team that represented the University of North Dakota in the North Central Conference (NCC) during the 1965 NCAA College Division football season. In its ninth year under head coach Marvin C. Helling, the team compiled a 9–1 record (5–1 against NCC opponents), finished in second place out seven teams in the NCC, and outscored opponents by a total of 248 to 85.[1] The team played its home games at Memorial Stadium in Grand Forks, North Dakota.