The 2021 Texas State Bobcats football team represented Texas State University as a member of the West Division of the Sun Belt Conference during the 2021 NCAA Division I FBS football season.

The Bobcats were led by third-year head coach Jake Spavital and played their home games at Bobcat Stadium in San Marcos, Texas.

The Bobcats were picked to finish fourth in the West Division.

Roster Last update: 12 July 2021 The 2021 schedule consists of 6 home and 6 away games in the regular season.

Texas State will play host to Sun Belt foes South Alabama, Troy, Louisiana–Monroe, and Georgia Southern.