1998–99 St. John's Red Storm men's basketball team

The 1998–99 St. John's Red Storm men's basketball team represented St. John's University during the 1998–99 NCAA Division I men's basketball season. The team was coached by Mike Jarvis in his first year at the school after replacing head coach Fran Fraschilla. St. John's home games are played at Alumni Hall and Madison Square Garden and the team is a member of the Big East Conference.

Schedule and results
!colspan=9 style="background:#FF0000; color:#FFFFFF;"| Regular season

!colspan=9 style="background:#FF0000; color:#FFFFFF;"| Big East tournament

!colspan=9 style="background:#FF0000; color:#FFFFFF;"| NCAA Tournament