The 1985 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 1984–85 NCAA Division II men's basketball season.
It was won by Jacksonville State University and South Dakota State's Mark Tetzlaff was the Most Outstanding Player.
*denotes tie Location: Owensboro Sportscenter Host: Kentucky Wesleyan College Location: Butova Gymnasium Host: American International College Location: CMSU Fieldhouse Host: Central Missouri State University Location: Pete Mathews Coliseum Host: Jacksonville State University Location: Frost Arena Host: South Dakota State University Location: Alterowitz Gym Host: Eastern Montana College Location: Arthur Ashe, Jr.
Athletic Center Host: Virginia Union University Location: Pucillo Gymnasium Host: Millersville University of Pennsylvania *denotes each overtime played Location: Springfield Civic Center Hosts: American International College and Springfield College *denotes each overtime played