The NCAA Division III Men's Tennis Championship is an annual men's college tennis national collegiate championship sponsored by the National Collegiate Athletic Association (NCAA) for teams in Division III.

Team, individual, and doubles championships are awarded each year.

[1] UC Santa Cruz and Kalamazoo are the most successful men's Division III programs, with seven team titles each.

Chicago are the reigning team national champions, winning their second title in 2024.

The championship first began in 1976 after the NCAA divided its membership into its current three-division system in 1973–74.