| Year: | 1948 |
| Team: | Washington State Cougars |
| Sport: | football |
| Conference: | Pacific Coast Conference |
| Short Conf: | PCC |
| Record: | 4–5–1 |
| Conf Record: | 4–3–1 |
| Head Coach: | Phil Sarboe |
| Hc Year: | 4th |
| Stadium: | Rogers Field, Tacoma Stadium |
The 1948 Washington State Cougars football team was an American football team that represented Washington State College during the 1948 college football season. Fourth-year head coach Phil Sarboe led the team to a 4–3–1 mark in the Pacific Coast Conference (PCC) and 4–5–1 overall.[1]
Washington State was ranked at No. 64 in the final Litkenhous Difference by Score System ratings for 1948.[2]
The Cougars' had four home games on campus in Pullman at Rogers Field, with the season finale in Tacoma.