Ty Hubert Detmer (born October 30, 1967) is an American football coach and former player. As a player, Detmer won the Heisman Trophy in 1990 while playing quarterback for Brigham Young University (BYU). He went on to play professionally in the National Football League (NFL) for fourteen seasons. He was the offensive coordinator at BYU from 2015 to 2017. At BYU, Detmer broke several NCAA records and was twice recognized as a consensus All-American. A late-round pick in the 1992 NFL Draft, Detmer played for five NFL teams, mostly in a back-up role. He is the older brother of former NFL quarterback Koy Detmer.
He is also known as Ty Hubert Detmer.