| Division: | II |
| Year: | 1983 |
| Gender: | Men's |
| Teams: | 32 |
| Finalfourcity: | Springfield, Massachusetts |
| Champions: | Wright State |
| Titlecount: | 1st |
| Runnerup: | UDC |
| Gamecount: | 2nd |
| Semifinal1: | Morningside |
| Finalfourcount: | 1st |
| Semifinal2: | Bakersfield State |
| Finalfourcount2: | 2nd |
| Coach: | Ralph Underhill |
| Coachcount: | 1st |
| Mop: | Gary Monroe |
| Mopteam: | 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.
| 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 | |
Location: Physical Activities Center Host: University of the District of Columbia
Location: Kaiser Hall Host: Central Connecticut State University
Location: Allee Gym Host: Morningside College
Location: Health and Physical Education Building Host: University of West Georgia
Location: Houck Field House Host: Southeast Missouri State University
Location: unknown Host: California State University, Bakersfield
Location: Owensboro Sportscenter Host: Kentucky Wesleyan College
Location: Nelson Field House Host: Bloomsburg State College
*denotes each overtime played
Location: Springfield Civic Center Hosts: American International College and Springfield College
*denotes each overtime played