Mike Brey (born March 22, 1959 in Bethesda, Maryland) is an American college basketball coach. He has been the men's head coach at the University of Notre Dame since July 14, 2000.

Brey graduated from DeMatha Catholic High School in Hyattsville, Maryland in 1977. As a two-year letter winner under coach Morgan Wootten, Brey helped the team to a 55–9 mark. He enrolled at Northwestern State University, where he played varsity basketball for three years (1977–80). In 1982 Brey graduated from George Washington University with bachelor's degree in physical education.

He returned to his former high school, becoming an assistant coach under Morgan Wootten. In 1987, he was hired by Duke University to assist Mike Krzyzewski, and in 1995 he took over his first head coaching job at the University of Delaware. Brey guided the Fighting Blue Hens to a 99–51 record over five years, leading the team to two America East Conference Championships and subsequently two trips to the NCAA Tournament.