# 1983 NCAA Division III men's basketball tournament

The 1983 NCAA Division III men's basketball tournament was the ninth annual single-elimination tournament to determine the national champions of National Collegiate Athletic Association (NCAA) men's Division III collegiate basketball in the United States.
Held during March 1983, the field included 32 teams and the final championship rounds were contested at Calvin College in Grand Rapids, Michigan.
Scranton defeated Wittenberg, 64–63, to claim their second national title.

## Bracket
### Regionals

| First round | First round | First round | Regional Championship | Regional Championship | Regional Championship |
| Clark (MA) | Clark (MA) | 82 | | | |
| UMass Boston | UMass Boston | 71 | | | |
| UMass Boston | UMass Boston | 71 | Clark (MA) | Clark (MA) | 82 |
| | | | Bridgewater State | Bridgewater State | 80 |
| Bridgewater State | Bridgewater State | 56 | Bridgewater State | Bridgewater State | 80 |
| Muskingum | Muskingum | 54 | Regional Third-place | Regional Third-place | Regional Third-place |
| | | | UMass Boston | UMass Boston | 75 |
| | | | Muskingum | Muskingum | 68 |
| First round | First round | First round | Regional Championship | Regional Championship | Regional Championship |
| Roanoke | Roanoke | 66 | | | |
| North Carolina Wesleyan | North Carolina Wesleyan | 63 | | | |
| North Carolina Wesleyan | North Carolina Wesleyan | 63 | Roanoke | Roanoke | 58 |
| | | | William Paterson | William Paterson | 56 |
| William Paterson | William Paterson | 70 | William Paterson | William Paterson | 56 |
| Upsala | Upsala | 58 | Regional Third-place | Regional Third-place | Regional Third-place |
| | | | North Carolina Wesleyan | North Carolina Wesleyan | 88 |
| | | | Upsala | Upsala | 97 |
| First round | First round | First round | Regional Championship | Regional Championship | Regional Championship |
| Potsdam State | Potsdam State | 76*** | | | |
| Ithaca | Ithaca | 74 | | | |
| Ithaca | Ithaca | 74 | Potsdam State | Potsdam State | 60 |
| | | | Hartwick | Hartwick | 56 |
| Hartwick | Hartwick | 61 | Hartwick | Hartwick | 56 |
| Union (NY) | Union (NY) | 49 | Regional Third-place | Regional Third-place | Regional Third-place |
| | | | Ithaca | Ithaca | 69 |
| | | | Union (NY) | Union (NY) | 89 |
| First round | First round | First round | Regional Championship | Regional Championship | Regional Championship |
| Scranton | Scranton | 73 | | | |
| Moravian | Moravian | 59 | | | |
| Moravian | Moravian | 59 | Scranton | Scranton | 74*** |
| | | | Widener | Widener | 69 |
| Widener | Widener | 56 | Widener | Widener | 69 |
| Grove City | Grove City | | Regional Third-place | Regional Third-place | Regional Third-place |
| | | | Moravian | Moravian | 54 |
| | | | Grove City | Grove City | 76 |
| First round | First round | First round | Regional Championship | Regional Championship | Regional Championship |
| Stanislaus State | Stanislaus State | 80 | | | |
| Augustana (IL) | Augustana (IL) | 73 | | | |
| Augustana (IL) | Augustana (IL) | 73 | Stanislaus State | Stanislaus State | 71 |
| | | | Sonoma State | Sonoma State | 61 |
| Sonoma State | Sonoma State | 88 | Sonoma State | Sonoma State | 61 |
| Bishop (TX) | Bishop (TX) | 65 | Regional Third-place | Regional Third-place | Regional Third-place |
| | | | Augustana (IL) | Augustana (IL) | 100 |
| | | | Bishop (TX) | Bishop (TX) | 104 |
| First round | First round | First round | Regional Championship | Regional Championship | Regional Championship |
| Hope | Hope | 81 | | | |
| John Carroll | John Carroll | 72 | | | |
| John Carroll | John Carroll | 72 | Hope | Hope | 55 |
| | | | Wittenberg | Wittenberg | 63 |
| Wittenberg | Wittenberg | 57 | Wittenberg | Wittenberg | 63 |
| Capital | Capital | 56 | Regional Third-place | Regional Third-place | Regional Third-place |
| | | | John Carroll | John Carroll | 64 |
| | | | Capital | Capital | 75 |
| First round | First round | First round | Regional Championship | Regional Championship | Regional Championship |
| Millikin | Millikin | 66 | | | |
| Beloit | Beloit | 49 | | | |
| Beloit | Beloit | 49 | Millikin | Millikin | 61 |
| | | | Wisconsin–Whitewater | Wisconsin–Whitewater | 63 |
| Wisconsin–Whitewater | Wisconsin–Whitewater | 62 | Wisconsin–Whitewater | Wisconsin–Whitewater | 63 |
| William Penn | William Penn | 47 | Regional Third-place | Regional Third-place | Regional Third-place |
| | | | Beloit | Beloit | 68 |
| | | | William Penn | William Penn | 73 |
| First round | First round | First round | Regional Championship | Regional Championship | Regional Championship |
| St. Andrews | St. Andrews | 69 | | | |
| Centre (KY) | Centre (KY) | 57 | | | |
| Centre (KY) | Centre (KY) | 57 | St. Andrews | St. Andrews | 88 |
| | | | LeMoyne-Owen | LeMoyne-Owen | 90* |
| LeMoyne-Owen | LeMoyne-Owen | 76 | LeMoyne-Owen | LeMoyne-Owen | 90* |
| Rust | Rust | 62 | Regional Third-place | Regional Third-place | Regional Third-place |
| | | | Centre (KY) | Centre (KY) | 58 |
| | | | Rust | Rust | 59 |

### National finals

| National quarterfinals | National quarterfinals | National quarterfinals | National semifinals | National semifinals | National semifinals | National championship | National championship | National championship |
| Clark (MA) | Clark (MA) | 83 | | | | | | |
| Roanoke | Roanoke | 87 | | | | | | |
| Roanoke | Roanoke | 87 | Roanoke | Roanoke | 67 | | | |
| | | | Scranton | Scranton | 82 | | | |
| Potsdam State | Potsdam State | 64 | Scranton | Scranton | 82 | | | |
| Scranton | Scranton | 65 | | | | | | |
| Scranton | Scranton | 65 | | | | Scranton | Scranton | 64 |
| | | | | | | Wittenberg | Wittenberg | 63 |
| Stanislaus State | Stanislaus State | 65 | | | | | | | Wittenberg | Wittenberg | 63 |
| Wittenberg | Wittenberg | 68 | | | |
| Wittenberg | Wittenberg | 68 | Wittenberg | Wittenberg | 85 | National third-place game | National third-place game | National third-place game |
| | | | Wisconsin–Whitewater | Wisconsin–Whitewater | 80 |
| Wisconsin–Whitewater | Wisconsin–Whitewater | 94 | Wisconsin–Whitewater | Wisconsin–Whitewater | 80 | Roanoke | Roanoke | 83 |
| LeMoyne-Owen | LeMoyne-Owen | 83 | | | | Wisconsin–Whitewater | Wisconsin–Whitewater | 77 |