John W. Mauer (September 4, 1901 – December 20, 1978) was an American college basketball, baseball and football coach and multi-sport college athlete. During the course of his 36-year collegiate coaching career, Mauer was the head basketball coach at the University of Kentucky, Miami University (Ohio), the University of Tennessee, the U.S. Military Academy, and the University of Florida. John was the head coach of the Tennessee baseball team. John also served as the defensive backs coach for Tennessee under head coach General Robert Neyland. After coaching his college coaching career, John worked under Vince Lombardi scouting players for the Green Bay Packers. Mauer also scouted for the San Francisco 49ers, Atlanta Falcons, and New York Giants.