| Teams | 32 | ||||
|---|---|---|---|---|---|
| Finals site | Springfield, Massachusetts | ||||
| Champions | Wright State (1st title) | ||||
| Runner-up | UDC (2nd title game) | ||||
| Semifinalists |
| ||||
| Winning coach | Ralph Underhill (1st title) | ||||
| MOP | Gary Monroe (Wright State) | ||||
| Attendance | 57,893 | ||||
| |||||
The 1983 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 1982–83 NCAA Division II men's basketball season. It was won by Wright State University and Wright State's Gary Monroe was the Most Outstanding Player.

Regional participants
| School | Outcome | |
|---|---|---|
| Hampton | Third Place | |
| Randolph–Macon | Fourth Place | |
| St. Augustine's | Runner-up | |
| UDC | Regional Champion | |
| School | Outcome | |
|---|---|---|
| American International | Runner-up | |
| Assumption | Third Place | |
| Central Connecticut | Fourth Place | |
| Sacred Heart | Regional Champion | |
| School | Outcome | |
|---|---|---|
| Ferris State | Third Place | |
| Morningside | Regional Champion | |
| Nebraska–Omaha | Fourth Place | |
| North Dakota State | Runner-up | |
| School | Outcome | |
|---|---|---|
| Florida Southern | Third Place | |
| Jacksonville State | Regional Champion | |
| West Chester | Fourth Place | |
| West Georgia | Runner-Up | |
| School | Outcome | |
|---|---|---|
| Central Missouri State | Runner-up | |
| SE Missouri State | Regional Champion | |
| Stephen F. Austin | Third Place | |
| Tennessee-Martin | Fourth Place | |
| School | Outcome | |
|---|---|---|
| Cal State Bakersfield | Regional Champion | |
| Chapman | Runner-up | |
| Humboldt State | Fourth Place | |
| San Francisco State | Third Place | |
| School | Outcome | |
|---|---|---|
| Kentucky Wesleyan | Runner-up | |
| Lewis | Third Place | |
| Southern Connecticut | Fourth Place | |
| Wright State | Regional Champion | |
| School | Outcome | |
|---|---|---|
| Bloomsburg | Regional Champion | |
| Cheyney | Fourth Place | |
| C. W. Post | Third Place | |
| Philadelphia U | Runner-up | |
*denotes tie
Regionals
South Atlantic - Washington, DC
Location: Physical Activities Center Host: University of the District of Columbia
| Regional Semifinals Round of 32 March 11 | Regional Final Sweet 16 March 12 | ||||||||
| St. Augustine's | 78 | ||||||||
| Hampton | 73 | ||||||||
| St. Augustine's | 88 | ||||||||
| UDC | 93 | ||||||||
| UDC | 34 | ||||||||
| Randolph–Macon | 17 | ||||||||
- Third Place - Hampton 71, Randolph-Macon 51
New England - New Britain, Connecticut
Location: Kaiser Hall Host: Central Connecticut State University
| Regional Semifinals Round of 32 March 11 | Regional Final Sweet 16 March 12 | ||||||||
| Sacred Heart | 113**** | ||||||||
| Assumption | 108 | ||||||||
| Sacred Heart | 72 | ||||||||
| American International | 68 | ||||||||
| American International | 65 | ||||||||
| Central Connecticut | 64 | ||||||||
- Third Place - Assumption 99, Central Connecticut 89*
North Central - Sioux City, Iowa
Location: Allee Gym Host: Morningside College
| Regional Semifinals Round of 32 March 11 | Regional Final Sweet 16 March 12 | ||||||||
| North Dakota State | 71 | ||||||||
| Ferris State | 68 | ||||||||
| North Dakota State | 77 | ||||||||
| Morningside | 79 | ||||||||
| Morningside | 80 | ||||||||
| Nebraska–Omaha | 79 | ||||||||
- Third Place - Ferris State 81, Nebraska-Omaha 75
South - Carrollton, Georgia
Location: Health and Physical Education Building Host: University of West Georgia
| Regional Semifinals Round of 32 March 10 | Regional Final Sweet 16 March 11 | ||||||||
| Jacksonville State | 67 | ||||||||
| Florida Southern | 61 | ||||||||
| Jacksonville State | 92 | ||||||||
| West Georgia | 76 | ||||||||
| West Georgia | 74 | ||||||||
| West Chester | 73 | ||||||||
- Third Place - Florida Southern 72, West Chester 71
South Central - Cape Girardeau, Missouri
Location: Houck Field House Host: Southeast Missouri State University
| Regional Semifinals Round of 32 March 11 | Regional Final Sweet 16 March 12 | ||||||||
| Central Missouri State | 66 | ||||||||
| Stephen F. Austin | 57 | ||||||||
| Central Missouri State | 69 | ||||||||
| SE Missouri State | 74 | ||||||||
| SE Missouri State | 83 | ||||||||
| Tennessee–Martin | 71 | ||||||||
- Third Place - Stephen F. Austin 83, Tennessee–Martin 70
West - Bakersfield, California
Location: unknown Host: California State University, Bakersfield
| Regional Semifinals Round of 32 March 11 | Regional Final Sweet 16 March 12 | ||||||||
| Chapman | 80 | ||||||||
| San Francisco State | 70 | ||||||||
| Chapman | 66 | ||||||||
| Cal State Bakersfield | 78 | ||||||||
| Cal State Bakersfield | 72 | ||||||||
| Humboldt State | 48 | ||||||||
- Third Place - San Francisco State 78, Humboldt State 71
Great Lakes - Owensboro, Kentucky
Location: Owensboro Sportscenter Host: Kentucky Wesleyan College
| Regional Semifinals Round of 32 | Regional Final Sweet 16 | ||||||||
| Wright State | 71 | ||||||||
| Lewis | 57 | ||||||||
| Wright State | 69 | ||||||||
| Kentucky Wesleyan | 67 | ||||||||
| Kentucky Wesleyan | 90 | ||||||||
| Southern Connecticut | 68 | ||||||||
- Third Place - Lewis 91, Southern Connecticut 73
East - Bloomsburg, Pennsylvania
Location: Nelson Field House Host: Bloomsburg State College
| Regional Semifinals Round of 32 March 11 | Regional Final Sweet 16 March 12 | ||||||||
| Bloomsburg | 76 | ||||||||
| Cheyney | 75 | ||||||||
| Bloomsburg | 73 | ||||||||
| Philadelphia U | 66 | ||||||||
| Philadelphia U | 72 | ||||||||
| C. W. Post | 68 | ||||||||
- Third Place - C. W. Post 83, Cheyney 69
*denotes each overtime played
National Quarterfinals
| Quarterfinal - New Britain, CT Elite Eight March 19 | ||||
| UDC | 45 | |||
| Sacred Heart | 38 | |||
| Quarterfinal - Sioux City, IA Elite Eight March 19 | ||||
| Morningside | 91 | |||
| Jacksonville State | 90 | |||
| Quarterfinal - Bloomsburg, PA Elite Eight March 19 | ||||
| Wright State | 73 | |||
| Bloomsburg | 53 | |||
| Quarterfinal - Bakersfield, CA Elite Eight March 19 | ||||
| SE Missouri State | 70 | |||
| Cal State Bakersfield | 75 | |||
National Finals - Springfield, Massachusetts
Location: Springfield Civic Center Hosts: American International College and Springfield College
| National Semifinals Final Four March 25 | National Championship March 26 | ||||||||
| UDC | 92 | ||||||||
| Morningside | 77 | ||||||||
| UDC | 73 | ||||||||
| Wright State | 92 | ||||||||
| Cal State Bakersfield | 50 | ||||||||
| Wright State | 57 | ||||||||
*denotes each overtime played
All-tournament team
- Anthony Bias (Wright State)
- Michael Britt (District of Columbia)
- Earl Jones (District of Columbia)
- Gary Monroe (Wright State)
- Fred Moore (Wright State)