| Year: | 1998 |
| Team: | TCU Horned Frogs |
| Conference: | Western Athletic Conference |
| Short Conf: | WAC |
| Record: | 7–5 |
| Conf Record: | 4–4 |
| Hc Year: | 1st |
| Cooc1 Year: | 1st |
| Cooff Coach2: | Dan Dodd |
| Cooc2 Year: | 1st |
| Dc Year: | 1st |
| Stadium: | Amon G. Carter Stadium (Capacity: 44,008) |
| Champion: | Sun Bowl champion |
| Bowl Result: | W 28–19 vs. USC |
The 1998 TCU Horned Frogs football team represented Texas Christian University (TCU) in the 1998 NCAA Division I-A football season. The Horned Frogs finished the season 7–5 overall and 4–4 in the Western Athletic Conference. The team was coached by Dennis Franchione. The Frogs played their home games in Amon G. Carter Stadium, which is located on campus in Fort Worth, Texas.