The 1998–99 Temple Owls men's basketball team represented Temple University as a member of the Atlantic 10 Conference during the 1998–99 NCAA Division I men's basketball season.

The team was led by head coach John Chaney and played their home games at the Liacouras Center.

The Owls received an at-large bid to the NCAA tournament as No.

6 seed in the East region.

Temple made a run to the Elite Eight and finished with a record of 24–11 (13–3 A-10).