| Mike Gillian | |
| Birth Date: | 19 July 1964 |
| Birth Place: | Ayer, Massachusetts, U.S. |
| Player Years1: | 1985–1989 |
| Player Team1: | North Adams State |
| Coach Years1: | 1989–1995 |
| Coach Team1: | American International (asst.) |
| Coach Years2: | 1996–1997 |
| Coach Team2: | Bowling Green (asst.) |
| Coach Years3: | 1997–2003 |
| Coach Team3: | George Mason (asst.) |
| Coach Years4: | 2003–2013 |
| Coach Team4: | Longwood |
| Coach Years5: | 2013–2018 |
| Coach Team5: | Florida International (asst.) |
| Overall Record: | 93–214 |
Mike Gillian is an American basketball coach, and formerly served as the head men's basketball coach at Longwood University from 2003 to 2013. Resigning from Longwood on March 14, 2013, he had guided the team in their transition to NCAA Division I play, and into their first season as members of the Big South Conference.[1] Prior to his time at Longwood, he was an assistant coach for seven years under Jim Larrañaga at Bowling Green and George Mason.[2]
On November 7, 2013, Gillian was announced as an assistant coach at Florida International University.[3] Gillian was not retained after FIU hired Jeremy Ballard as head coach in April 2018.[4] As of the 2018–19 season, he is providing color commentary for broadcasts on ESPN platforms.[5]