1998 NCAA Division I Men's Swimming and Diving Championships

The 1998 NCAA Division I Men's Swimming and Diving Championships were contested in March 1998 at the James E. Martin Aquatics Center at Auburn University in Auburn, Alabama at the 75th annual NCAA-sanctioned swim meet to determine the team and individual national champions of Division I men's collegiate swimming and diving in the United States.

Stanford topped the team standings for the eighth time, finishing 104.5 points ahead of hosts and defending champions Auburn.

Team standings

 * Note: Top 10 only
 * (H) = Hosts
 * (DC) = Defending champions
 * Full results