| Year: | 1948 |
| Team: | Appalachian State Mountaineers |
| Sport: | football |
| Conference: | North State Conference |
| Short Conf: | NSC |
| Record: | 8–1–1 |
| Conf Record: | 7–0–1 |
| Head Coach: | E. C. Duggins |
| Hc Year: | 2nd |
| Stadium: | College Field |
| Champion: | NSC champion |
| Bowl: | Burley Bowl |
| Bowl Result: | L 2–7 vs. |
The 1948 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 1948 college football season. In their second year under head coach E. C. Duggins, the Mountaineers compiled an overall record of 8–1–1, with a mark of 7–0–1 in conference play, and finished as NSC champion. State concluded their season with a loss against at the Burley Bowl.
Appalachian State was ranked at No. 231 in the final Litkenhous Difference by Score System ratings for 1948.[1]