| Year: | 1999 |
| Team: | Colorado State Rams |
| Sport: | football |
| Conference: | Mountain West Conference |
| Short Conf: | MW |
| Record: | 8–4 |
| Conf Record: | 5–2 |
| Head Coach: | Sonny Lubick |
| Hc Year: | 7th |
| Off Coach: | Steve Fairchild |
| Oc Year: | 3rd |
| Def Coach: | Larry Kerr |
| Dc Year: | 7th |
| Stadium: | Hughes Stadium |
| Champion: | MW co-champion |
| Bowl: | Liberty Bowl |
| Bowl Result: | L 17–23 vs. Southern Miss |
The 1999 Colorado State Rams football team represented Colorado State University in the 1999 NCAA Division I-A football season. The team was led by seventh-year head coach Sonny Lubick and played its home games at Hughes Stadium. They finished the regular season with an 8 - 3 record overall and a 5 - 2 record in the newly formed Mountain West Conference, making them conference co-champions. The team was selected to play in the Liberty Bowl, in which they lost to Southern Miss.[1] [2]
See also: 1999 NCAA Division I-A football rankings.