The 1986 NCAA Division I Men's Tennis Championships were the 40th annual championships to determine the national champions of NCAA Division I men's singles, doubles, and team collegiate tennis in the United States. This year's tournaments were played in Athens, Georgia, hosted by the University of Georgia. The men's team championship was won by Stanford, their eighth team national title. The Cardinal defeated Pepperdine in the final round, 5–2. The men's singles title was won by Dan Goldie from Stanford. The men's doubles title was won by Rick Leach and from USC.