Conference USA (Nine teams)
There are 14 teams in Conference USA and only five of them have ever suited up against the Texas Longhorns.
Charlotte 49ers
Florida International Panthers
Marshall Thundering Herd
Middle Tennessee State Blue Raiders
Old Dominion Monarchs
Southern Mississippi Golden Eagles
Alabama-Birmingham Blazers
Texas-San Antonio Roadrunners
Starting with the 2022 college football season, you can officially take the UT-San Antonio Roadrunners off of the list. That will begin a five-game series between the two schools. They will play every other season until 2030 and all games will be played at Darrell K. Royal Memorial Stadium.
Western Kentucky Hilltoppers
Next is the Mid American Conference (MAC).