The 1988–89 Georgetown Hoyas men's basketball team represented Georgetown University in the 1988–89 NCAA Division I college basketball season. John Thompson, coached them in his 17th season as head coach. They played their home games at the Capital Centre in Landover, Maryland. They were members of the Big East Conference and finished the season with a record of 29–5, 13–3 in Big East play. They finished as the Big East regular season champions and won the 1989 Big East men's basketball tournament, the sixth Big East tournament championship in Georgetown men's basketball history, defeating Syracuse in the final game. They were the No. 1 seed in the East Region of the 1989 NCAA Division I men's basketball tournament – the 11th of 14 consecutive Georgetown NCAA tournament appearances – and a