| Year: | 1978 |
| Team: | Texas Longhorns |
| Conference: | Southwest Conference |
| Short Conf: | SWC |
| Record: | 9–3 |
| Conf Record: | 6–2 |
| Coachrank: | 9 |
| Aprank: | 9 |
| Hc Year: | 2nd |
| Oc Year: | 2nd |
| Dc Year: | 2nd |
| Stadium: | Texas Memorial Stadium (Capacity: 77,809) |
| Champion: | Sun Bowl champion |
| Bowl Result: | W 42–0 vs. Maryland |
The 1978 Texas Longhorns football team represented the University of Texas at Austin in the 1978 NCAA Division I-A football season. The Longhorns finished the regular season with an 8-3 record and defeated Maryland in the Sun Bowl.
See also: 1978 North Texas State Mean Green football team.
See main article: 1979 NFL draft. The following players were drafted into professional football following the season.
| Player | Position | Round | Pick | Franchise |
| Kicker/Punter | 1 | 11 | New Orleans Saints | |
| Defensive back | 8 | 215 | Miami Dolphins | |