1988–89 George Mason Patriots men's basketball team

1988–89 George Mason Patriots men's basketball
CAA tournament champions
ConferenceColonial Athletic Association
Record20–11 (10–4 CAA)
Head coach
Home arenaPatriot Center
1988–89 CAA men's basketball standings
Conf. Overall
Team W   L   PCT W   L   PCT
Richmond 13 1   .929 21 10   .677
George Mason 10 4   .714 20 11   .645
American 9 5   .643 17 11   .607
UNC Wilmington 9 5   .643 16 14   .533
James Madison 6 8   .429 16 14   .533
East Carolina 6 8   .429 15 14   .517
William & Mary 2 12   .143 5 23   .179
Navy 1 13   .071 6 22   .214
1989 CAA tournament winner
Rankings from AP Poll

The 1988–89 George Mason Patriots Men's basketball team represented George Mason University during the 1988–89 NCAA Division I men's basketball season. This was the 23rd season for the program, the first under head coach Ernie Nestor. The Patriots played their home games at the Patriot Center in Fairfax, Virginia.

After finishing second in the regular season CAA standings, the team won the CAA tournament to receive an automatic bid to the NCAA tournament as #15 seed in the West region. The Patriots were beaten by #2 seed Indiana in the opening round to finish with a record of 20–11 (10–4 CAA).