The 1986 NCAA Division I lacrosse tournament was the 16th annual tournament hosted by the National Collegiate Athletic Association to determine the team champion of men's college lacrosse among its Division I programs, held at the end of the 1986 NCAA Division I men's lacrosse season.

Fifth-seeded North Carolina capped off an 11-3 season with its third NCAA championship, upsetting Virginia in the final, 10–9 in overtime.

Gary Seivold, who scored the game winner in overtime had two goals and two assists for North Carolina.

Seivold's goal with 2:10 left in overtime gave Carolina the 10–9 victory over Virginia.

Virginia's Will Rosebro had tied the game at nine with 1:05 left in the fourth quarter.