# 1975 NCAA Division III basketball tournament

The 1975 NCAA Division III basketball tournament was the first annual single-elimination tournament to determine the men's collegiate basketball national champion of National Collegiate Athletic Association (NCAA) Division III. The tournament field included 30 teams and took place during March 1975, with the national championship rounds taking place in Reading, Pennsylvania.
LeMoyne–Owen defeated Glassboro State, 57–54, to win their first national championship.

## Bracket
### Regionals

| First round | First round | First round | Regional Championship | Regional Championship | Regional Championship |
| Suffolk | Suffolk | 80* | | | |
| UMass Boston | UMass Boston | 75 | | | |
| UMass Boston | UMass Boston | 75 | Suffolk | Suffolk | 77 |
| | | | Brandeis | Brandeis | 89 |
| Brandeis | Brandeis | 94 | Brandeis | Brandeis | 89 |
| Rhode Island College | Rhode Island College | 84 | Regional Third-place | Regional Third-place | Regional Third-place |
| | | | UMass Boston | UMass Boston | 114 |
| | | | Rhode Island College | Rhode Island College | 96 |
| First round | First round | First round | Regional Championship | Regional Championship | Regional Championship |
| St. Lawrence | St. Lawrence | 82 | | | |
| Albany | Albany | 63 | | | |
| Albany | Albany | 63 | St. Lawrence | St. Lawrence | 77 |
| | | | Brockport State | Brockport State | 103 |
| Brockport State | Brockport State | 83 | Brockport State | Brockport State | 103 |
| RPI | RPI | 70 | Regional Third-place | Regional Third-place | Regional Third-place |
| | | | Albany | Albany | 55 |
| | | | RPI | RPI | 72 |
| First round | First round | First round | Regional Championship | Regional Championship | Regional Championship |
| Mansfield State | Mansfield State | 85 | | | |
| Franklin & Marshall | Franklin & Marshall | 70 | | | |
| Franklin & Marshall | Franklin & Marshall | 70 | Mansfield State | Mansfield State | 78 |
| | | | Scranton | Scranton | 65 |
| Scranton | Scranton | 59 | Scranton | Scranton | 65 |
| Widener | Widener | 55 | Regional Third-place | Regional Third-place | Regional Third-place |
| | | | Franklin & Marshall | Franklin & Marshall | 50 |
| | | | Widener | Widener | 69 |
| First round | First round | First round | Regional Championship | Regional Championship | Regional Championship |
| William Paterson | William Paterson | 53 | | | |
| Methodist | Methodist | 52 | | | |
| Methodist | Methodist | 52 | William Paterson | William Paterson | 59 |
| | | | Glassboro State | Glassboro State | 62 |
| Glassboro State | Glassboro State | 66 | Glassboro State | Glassboro State | 62 |
| Washington and Lee | Washington and Lee | 48 | Regional Third-place | Regional Third-place | Regional Third-place |
| | | | Methodist | Methodist | 71 |
| | | | Washington and Lee | Washington and Lee | 58 |
| First round | First round | First round | Regional Championship | Regional Championship | Regional Championship |
| LeMoyne–Owen | LeMoyne–Owen | 92 | | | |
| Transylvania | Transylvania | 84 | | | |
| Transylvania | Transylvania | 84 | LeMoyne–Owen | LeMoyne–Owen | 92 |
| | | | Miles | Miles | 76 |
| Miles | Miles | 80 | Miles | Miles | 76 |
| Sewanee | Sewanee | 60 | Regional Third-place | Regional Third-place | Regional Third-place |
| | | | Transylvania | Transylvania | 68 |
| | | | Sewanee | Sewanee | 66 |
| First round | First round | First round | Regional Championship | Regional Championship | Regional Championship |
| Marietta | Marietta | 75 | | | |
| Allegheny | Allegheny | 67 | | | |
| Allegheny | Allegheny | 67 | Marietta | Marietta | 70 |
| | | | Wittenberg | Wittenberg | 85 |
| Wittenberg | Wittenberg | 71 | Wittenberg | Wittenberg | 85 |
| Hiram | Hiram | 49 | Regional Third-place | Regional Third-place | Regional Third-place |
| | | | Allegheny | Allegheny | 78 |
| | | | Hiram | Hiram | 86 |
| First round | First round | First round | Regional Championship | Regional Championship | Regional Championship |
| Wartburg | Wartburg | 79 | | | |
| Coe | Coe | 78 | | | |
| Coe | Coe | 78 | Wartburg | Wartburg | 61 |
| | | | Augustana (IL) | Augustana (IL) | 62 |
| Augustana (IL) | Augustana (IL) | 67 | Augustana (IL) | Augustana (IL) | 62 |
| Knox | Knox | 66 | Regional Third-place | Regional Third-place | Regional Third-place |
| | | | Coe | Coe | 83 |
| | | | Knox | Knox | 72 |
| Regional Championship | Regional Championship | Regional Championship |
| Hamline | Hamline | 48 |
| Doane | Doane | 47 |

### National finals

* Site: Reading, Pennsylvania
| National quarterfinals | National quarterfinals | National quarterfinals | National semifinals | National semifinals | National semifinals | National championship | National championship | National championship |
| Brandeis | Brandeis | 76 | | | | | | |
| Brockport State | Brockport State | 96 | | | | | | |
| Brockport State | Brockport State | 96 | Brockport State | Brockport State | 68 | | | |
| | | | Glassboro State | Glassboro State | 76 | | | |
| Mansfield State | Mansfield State | 49 | Glassboro State | Glassboro State | 76 | | | |
| Glassboro State | Glassboro State | 60 | | | | | | |
| Glassboro State | Glassboro State | 60 | | | | Glassboro State | Glassboro State | 54 |
| | | | | | | LeMoyne–Owen | LeMoyne–Owen | 57 |
| LeMoyne–Owen | LeMoyne–Owen | 68 | | | | | | | LeMoyne–Owen | LeMoyne–Owen | 57 |
| Wittenberg | Wittenberg | 65 | | | |
| Wittenberg | Wittenberg | 65 | LeMoyne–Owen | LeMoyne–Owen | 84 | National third-place game | National third-place game | National third-place game |
| | | | Augustana (IL) | Augustana (IL) | 71 |
| Augustana (IL) | Augustana (IL) | 48 | Augustana (IL) | Augustana (IL) | 71 | Brockport State | Brockport State | 71 |
| Hamline | Hamline | 42 | | | | Augustana (IL) | Augustana (IL) | 78 |