The 1998 Southland Conference men's basketball tournament was held March 5–7 at Hirsch Memorial Coliseum in Shreveport, Louisiana.
[2] Nicholls State defeated Texas–Arlington in the championship game, 84–81, to win their second Southland men's basketball tournament.
The Colonels received a bid to the 1998 NCAA Tournament as the No.
Six of the ten conference members participated in the tournament field.
Tournament play began with the quarterfinal round.