Thomas Leonard Shevlin was an American college football player and coach at Yale University and a businessman. He was a consensus All-American for three of his four years, selected a first-team All-American by some selector in all. He was inducted into the College Football Hall of Fame in 1954.

The Yale Bulldogs football program represents Yale University in college football in the NCAA Division I Football Championship Subdivision. Yale's football program, founded in 1872, is one of the oldest in the world. Since their founding, the Bulldogs have won 27 national championships, two of the first three Heisman Trophy winners, 100 consensus All-Americans, 28 College Football Hall of Fame inductees, including the "Father of American Football" Walter Camp, the first professional football player Pudge Heffelfinger, and coaching giants Amos Alonzo Stagg, Howard Jones, Tad Jones and Carmen Cozza. With over 900 wins, Yale ranks in the top ten for most wins in college football history.