# 2003 NCAA Division III men's basketball tournament

The 2003 NCAA Division III men's basketball tournament was the 29th 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.
The field contained forty-eight teams, and each program was allocated to one of four sectionals. All sectional games were played on campus sites, while the national semifinals, third-place final, and championship finals were contested at the Salem Civic Center in Salem, Virginia.
Williams defeated Gustavus Adolphus, 67–65, in the championship, clinching their first national title.
The Ephs (31–1) were coached by Dave Paulsen. Paulsen would later coach at Division I programs Bucknell and George Mason.
Benjamin Coffin, also from Williams, was named Most Outstanding Player.

## Bracket
### Top left sectional

| First round | First round | Second round | Second round | Sectional semifinals | Sectional semifinals | | Sectional finals | Sectional finals |
| | | Randolph–Macon | 72* | | | | | |
| | | Alvernia | 69 | | | | | |
| Alvernia | 58 | Alvernia | 69 | | | | | |
| Mary Washington | 53 | | | | | | | |
| Mary Washington | 53 | | | Randolph–Macon | 47 | | | |
| | | | | UW–Oshkosh | 53 | | | |
| UW–Oshkosh | 78 | | | | | UW–Oshkosh | 53 | |
| MSOE | 56 | | | | | | | |
| MSOE | 56 | UW–Oshkosh | 84 | | | | | |
| | | Hope | 77 | | | | | |
| | | | | | | | UW–Oshkosh | 63 |
| | | | | | | | Hampden–Sydney | 68 |
| | | Hampden–Sydney | 56 | | | | | |
| | | SCAD | 54 | | | | | |
| Christopher Newport | 61 | SCAD | 54 | | | | | |
| SCAD | 66 | | | | | | | |
| SCAD | 66 | | | Hampden–Sydney | 76 | | | |
| | | | | Illinois Wesleyan | 68 | | | |
| Illinois Wesleyan | 79 | | | | | Illinois Wesleyan | 68 | |
| Blackburn | 59 | | | | | | | |
| Blackburn | 59 | Illinois Wesleyan | 85 | | | | | |
| | | Washington–St. Louis | 73 | | | | | |

### Bottom left sectional

| First round | First round | Second round | Second round | Sectional semifinals | Sectional semifinals | | Sectional finals | Sectional finals |
| | | Rockford | 72 | | | | | |
| | | Buena Vista | 84 | | | | | |
| Buena Vista | 96 | Buena Vista | 84 | | | | | |
| Illinois College | 66 | | | | | | | |
| Illinois College | 66 | | | Buena Vista | 62 | | | |
| | | | | Occidental | 67 | | | |
| Trinity (TX) | 66 | | | | | Occidental | 67 | |
| Aurora | 67 | | | | | | | |
| Aurora | 67 | Aurora | 61 | | | | | |
| | | Occidental | 80 | | | | | |
| | | | | | | | Occidental | 56 |
| | | | | | | | Gustavus Adolphus | 74 |
| | | UW–Stevens Point | 62 | | | | | |
| | | Gustavus Adolphus | 75 | | | | | |
| Gustavus Adolphus | 65 | Gustavus Adolphus | 75 | | | | | |
| Whitworth | 55 | | | | | | | |
| Whitworth | 55 | | | Gustavus Adolphus | 79 | | | |
| | | | | Hanover | 66 | | | |
| Maryville (TN) | 70 | | | | | Hanover | 66 | |
| Mississippi College | 58 | | | | | | | |
| Mississippi College | 58 | Maryville (TN) | 64 | | | | | |
| | | Hanover | 68 | | | | | |

### Top right sectional

| First round | First round | Second round | Second round | Sectional semifinals | Sectional semifinals | | Sectional finals | Sectional finals |
| | | Williams | 94 | | | | | |
| | | Salem State | 67 | | | | | |
| Salem State | 81 | Salem State | 67 | | | | | |
| St. Joseph's (ME) | 76 | | | | | | | |
| St. Joseph's (ME) | 76 | | | Williams | 76 | | | |
| | | | | Hamilton | 65 | | | |
| Hamilton | 93 | | | | | Hamilton | 65 | |
| Colby–Sawyer | 68 | | | | | | | |
| Colby–Sawyer | 68 | Hamilton | 72 | | | | | |
| | | St. John Fisher | 68 | | | | | |
| | | | | | | | Williams | 91 |
| | | | | | | | Amherst | 74 |
| | | Amherst | 84 | | | | | |
| | | Southern Vermont | 60 | | | | | |
| Southern Vermont | 63 | Southern Vermont | 60 | | | | | |
| Lasell | 60 | | | | | | | |
| Lasell | 60 | | | Amherst | 74 | | | |
| | | | | Rochester | 68 | | | |
| Clark (MA) | 82 | | | | | Rochester | 68 | |
| Western Connecticut | 84 | | | | | | | |
| Western Connecticut | 84 | Western Connecticut | 62 | | | | | |
| | | Rochester | 73 | | | | | |

### Bottom right sectional

| First round | First round | Second round | Second round | Sectional semifinals | Sectional semifinals | | Sectional finals | Sectional finals |
| | | Ursinus | 75 | | | | | |
| | | Scranton | 77 | | | | | |
| Scranton | 58 | Scranton | 77 | | | | | |
| Buffalo State | 56 | | | | | | | |
| Buffalo State | 56 | | | Scranton | 64 | | | |
| | | | | Wooster | 75 | | | |
| John Carroll | 85 | | | | | Wooster | 75 | |
| Pitt–Bradford | 65 | | | | | | | |
| Pitt–Bradford | 65 | John Carroll | 75 | | | | | |
| | | Wooster | 77 | | | | | |
| | | | | | | | Wooster | 68 |
| | | | | | | | Ramapo | 64 |
| | | Ramapo | 92 | | | | | |
| | | Kings Point | 76 | | | | | |
| Kings Point | 63 | Kings Point | 76 | | | | | |
| CCNY | 57 | | | | | | | |
| CCNY | 57 | | | Ramapo | 89 | | | |
| | | | | Montclair State | 80 | | | |
| Montclair State | 74 | | | | | Montclair State | 80 | |
| Elizabethtown | 69 | | | | | | | |
| Elizabethtown | 69 | Montclair State | 95 | | | | | |
| | | Catholic | 78 | | | | | |

### National finals

* Site: Salem Civic Center, Salem, Virginia
| National semifinals | National semifinals | National championship | National championship |
| Hampden–Sydney | 68 | | |
| Gustavus Adolphus | 79 | | |
| Gustavus Adolphus | 79 | Gustavus Adolphus | 65 |
| | | Williams | 67 |
| Williams | 74 | Williams | 67 |
| Wooster | 72** | National third-place | National third-place |
| | | Hampden–Sydney | 74 |
| | | Wooster | 78 |