1931 All-Southwest Conference football team

The AP selected its All-Southwest Conference team with input from sports editors and writers.

SMU halfback Weldon "Speedy" Mason was the only player to be unanimously selected.

[1] The TCU Horned Frogs and Texas Longhorns followed with three players each on the first team.

TCU guard Johnny Vaught was selected on every ballot with only one exception.

[1] Vaught later served as head football coach at Ole Miss from 1947 to 1970 and was inducted into the College Football Hall of Fame in 1979.