1998 NAIA Division I men's basketball tournament

The 1998 NAIA Men's Division I Basketball Tournament was held in March at Mabee Center in Tulsa, Oklahoma, and the last time for now NAIA Tournament at Mabee Center. The 61st annual NAIA basketball tournament featured 32 teams playing in a single-elimination format.

Awards and honors

 * Leading scorers:
 * Leading rebounder:
 * Player of the Year: Daniel Santiago (St. Vincent).

1998 NAIA bracket

 * * denotes overtime.