| Year: | 1951 |
| Team: | Appalachian State Mountaineers |
| Sport: | football |
| Conference: | North State Conference |
| Short Conf: | NSC |
| Record: | 6–3 |
| Conf Record: | 3–3 |
| Head Coach: | Pres Mull |
| Hc Year: | 1st |
| Stadium: | College Field |
The 1951 Appalachian State Mountaineers football team was an American football team that represented Appalachian State Teachers College (now known as Appalachian State University) as a member of the North State Conference during the 1951 college football season. In their only year under head coach Pres Mull, the Mountaineers compiled an overall record of 6–3, with a mark of 3–3 in conference play, and finished fourth in the NSC.