Heath Kizer is a 6'1", 203-pound defensive back for the Indiana Hoosiers from Indianapolis, Indiana. He attended North Central High School, where he played quarterback under head coaches Kevin O'Shea and Derek Hart, earning All-Metropolitan Interscholastic Conference honors as a senior and lettering in baseball. Kizer joined Indiana as a walk-on in fall 2024 and redshirted his freshman season without appearing in games. During his redshirt-sophomore year in 2025, he again saw no game action but earned Academic All-Big Ten recognition. He is the son of Ann and Bob Kizer and has one brother, Reece; his father lettered in Indiana football from 1993–94.