1984 NCAA Division II men's basketball tournament

The 1984 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 1983-4 NCAA Division II men's basketball season. It was won by Central Missouri State (now known as the University of Central Missouri) and Central Missouri State's Ron Nunnally was the Most Outstanding Player.

San Francisco State's participation in the tournament was later vacated by the NCAA.

Regional participants
* denotes tie

East - Erie, Pennsylvania
Location: Hammermill Center Host: Gannon University


 * Third Place - Mansfield 94, Gannon 78

New England - New Britain, Connecticut
Location: Kaiser Hall Host: Central Connecticut State University


 * Third Place - Central Connecticut 102, American International 90

Great Lakes - Owensboro, Kentucky
Location: Owensboro Sportscenter Host: Kentucky Wesleyan College


 * Third Place - Bellarmine 81, Cal State Bakersfield 71

South Atlantic - Norfolk, Virginia
Location: Norfolk Scope Host: Norfolk State University


 * Third Place - Randolph–Macon 69, Winston-Salem State 54

North Central - Omaha, Nebraska
Location: UNO Fieldhouse Host: University of Nebraska at Omaha


 * Third Place - Nebraska–Omaha 84, Northern Michigan 81

South Central - Warrensburg, Missouri
Location: CMSU Fieldhouse Host: Central Missouri State University


 * Third Place - Columbus State 65, NW Missouri State 63

West - Tacoma, Washington
Location: Memorial Fieldhouse Host: University of Puget Sound


 * Third Place - Chapman 74, UC Riverside 71

South - Florence, Alabama
Location: Flowers Hall Host: University of North Alabama


 * Third Place - Tampa 87, Albany State 77

* denotes each overtime played

National Finals - Springfield, Massachusetts
Location: Springfield Civic Center Hosts: American International College and Springfield College

* denotes each overtime played

All-tournament team

 * Ken Bannister (Saint Augustine's)
 * Rod Drake (Kentucky Wesleyan)
 * Robert Harris (North Alabama)
 * Ron Nunnelly (Central Missouri State)
 * Brian Pesko (Central Missouri State)