| Year: | 1985 |
| Team: | Lamar Cardinals |
| Sport: | football |
| Conference: | Southland Conference |
| Short Conf: | Southland |
| Record: | 3–8 |
| Conf Record: | 0–6 |
| Head Coach: | Ken Stephens |
| Hc Year: | 4th |
| Stadium: | Cardinal Stadium |
The 1985 Lamar Cardinals football team represented Lamar University in the 1985 NCAA Division I-AA football season as a member of the Southland Conference. The Cardinals played their home games at Cardinal Stadium now named Provost Umphrey Stadium in Beaumont, Texas. Lamar finished the 1985 season with a 3–8 overall record and a 0–6 conference record. The season marked the final year with Ken Stephens as Lamar Cardinals head football coach.