The 1986 NCAA Division II men's basketball tournament involved 32 schools playing in a single-elimination tournament to determine the national champion of men's NCAA Division II college basketball as a culmination of the 1985–86 NCAA Division II men's basketball season.
It was won by Sacred Heart University and Sacred Heart's Roger Younger was the Most Outstanding Player.
*denotes tie Location: Physical Education Building Host: Wright State University Location: Hammermill Center Host: Gannon University Location: Houck Field House Host: Southeast Missouri State University Location: Pioneer Gymnasium Host: California State University, Hayward Location: Halenbeck Hall Host: St.
Cloud State University Location: Spartan Sports Arena Host: University of Tampa Location: Memorial Gym Host: Mount Saint Mary's College and Seminary Location: NHC Fieldhouse Host: New Hampshire College *denotes each overtime played Location: Springfield Civic Center Hosts: American International College and Springfield College *denotes each overtime played