# 1989 NCAA Division III men's basketball tournament

The 1989 NCAA Division III men's basketball tournament was the 15th 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 1989, the field included forty teams, an increase of eight from 1988. For the first time, the championship rounds were contested in Springfield, Ohio.
Wisconsin–Whitewater defeated Trenton State (now TCNJ), 94–86, to clinch their second NCAA Division III national title. The Warhawks' previous title came in 1984.

## Bracket
### Regionals

| First Round | First Round | First Round | Regional Championship | Regional Championship | Regional Championship |
| North Adams State | North Adams State | 80 | | | |
| Southern Maine | Southern Maine | 88 | | | |
| Southern Maine | Southern Maine | 88 | Southern Maine | Southern Maine | 90 |
| | | | Western Connecticut State | Western Connecticut State | 88 |
| Salem State | Salem State | 84 | Western Connecticut State | Western Connecticut State | 88 |
| Western Connecticut State | Western Connecticut State | 89 | Regional Third-place | Regional Third-place | Regional Third-place |
| | | | North Adams State | North Adams State | 112 |
| | | | Salem State | Salem State | 78 |
| First Round | First Round | First Round | Regional Championship | Regional Championship | Regional Championship |
| Franklin & Marshall | Franklin & Marshall | 59 | | | |
| Susquehanna | Susquehanna | 54 | | | |
| Susquehanna | Susquehanna | 54 | Franklin & Marshall | Franklin & Marshall | 96 |
| | | | Washington College | Washington College | 76 |
| Grove City | Grove City | 69 | Washington College | Washington College | 76 |
| Washington College | Washington College | 82 | Regional Third-place | Regional Third-place | Regional Third-place |
| | | | Susquehanna | Susquehanna | 60 |
| | | | Grove City | Grove City | 74 |
| First Round | First Round | First Round | Regional semifinals | Regional semifinals | Regional semifinals | Regional finals | Regional finals | Regional finals |
| | | | Buffalo State | Buffalo State | 76 | | | |
| | | | Staten Island | Staten Island | 51 | | | |
| Alfred | Alfred | 72 | Staten Island | Staten Island | 51 | | | |
| Staten Island | Staten Island | 96 | | | | | | |
| Staten Island | Staten Island | 96 | | | | Buffalo State | Buffalo State | 60 |
| | | | | | | Potsdam | Potsdam | 74 |
| | | | Merchant Marine | Merchant Marine | 68 | Regional Third-place | Regional Third-place | Regional Third-place |
| | | | Potsdam | Potsdam | 80 |
| | | | Potsdam | Potsdam | 80 | Staten Island | Staten Island | 54 |
| | | | | | | Merchant Marine | Merchant Marine | 69 |
| First Round | First Round | First Round | Regional semifinals | Regional semifinals | Regional semifinals | Regional finals | Regional finals | Regional finals |
| | | | Trenton State | Trenton State | 96 | | | |
| | | | Shenandoah | Shenandoah | 74 | | | |
| Shenandoah | Shenandoah | 74 | Shenandoah | Shenandoah | 74 | | | |
| Stockton State | Stockton State | 64 | | | | | | |
| Stockton State | Stockton State | 64 | | | | Trenton State | Trenton State | 78 |
| | | | | | | Jersey City State | Jersey City State | 77 |
| | | | Hampden-Sydney | Hampden-Sydney | 84 | Regional Third-place | Regional Third-place | Regional Third-place |
| | | | Jersey City State | Jersey City State | 94 |
| | | | Jersey City State | Jersey City State | 94 | Shenandoah | Shenandoah | 78 |
| | | | | | | Hampden-Sydney | Hampden-Sydney | 80 |
| First Round | First Round | First Round | Regional semifinals | Regional semifinals | Regional semifinals | Regional finals | Regional finals | Regional finals |
| | | | Wisconsin–Whitewater | Wisconsin–Whitewater | 112 | | | |
| | | | Monmouth (IL) | Monmouth (IL) | 76 | | | |
| Beloit | Beloit | 70 | Monmouth (IL) | Monmouth (IL) | 76 | | | |
| Monmouth (IL) | Monmouth (IL) | 82 | | | | | | |
| Monmouth (IL) | Monmouth (IL) | 82 | | | | Wisconsin–Whitewater | Wisconsin–Whitewater | 95 |
| | | | | | | North Central (IL) | North Central (IL) | 83 |
| | | | Millikin | Millikin | 59 | Regional Third-place | Regional Third-place | Regional Third-place |
| | | | North Central (IL) | North Central (IL) | 63 |
| | | | North Central (IL) | North Central (IL) | 63 | Millikin | Millikin | 84 |
| | | | | | | Monmouth (IL) | Monmouth (IL) | 87 |
| First Round | First Round | First Round | Regional semifinals | Regional semifinals | Regional semifinals | Regional finals | Regional finals | Regional finals |
| | | | Wittenberg | Wittenberg | 61 | | | |
| | | | Allegheny | Allegheny | 46 | | | |
| Allegheny | Allegheny | 71 | Allegheny | Allegheny | 46 | | | |
| Hope | Hope | 69 | | | | | | |
| Hope | Hope | 69 | | | | Wittenberg | Wittenberg | 66 |
| | | | | | | Otterbein | Otterbein | 76 |
| | | | Otterbein | Otterbein | 93 | Regional Third-place | Regional Third-place | Regional Third-place |
| | | | Calvin | Calvin | 90 |
| Calvin | Calvin | 69 | Calvin | Calvin | 90 | Allegheny | Allegheny | 87 |
| Capital | Capital | 64 | | | | Calvin | Calvin | 89* |
| First Round | First Round | First Round | Regional semifinals | Regional semifinals | Regional semifinals | Regional finals | Regional finals | Regional finals |
| | | | Nebraska Wesleyan | Nebraska Wesleyan | 87 | | | |
| | | | Wartburg | Wartburg | 63 | | | |
| Gustavus Adolphus | Gustavus Adolphus | 62 | Wartburg | Wartburg | 63 | | | |
| Wartburg | Wartburg | 78 | | | | | | |
| Wartburg | Wartburg | 78 | | | | Nebraska Wesleyan | Nebraska Wesleyan | 66 |
| | | | | | | Stanislaus State | Stanislaus State | 76 |
| | | | Stanislaus State | Stanislaus State | 90 | Regional Third-place | Regional Third-place | Regional Third-place |
| | | | Pomona-Pitzer | Pomona-Pitzer | 78 |
| Cal State San Bernardino | Cal State San Bernardino | 104 | Pomona-Pitzer | Pomona-Pitzer | 78 | Wartburg | Wartburg | 67 |
| Pomona-Pitzer | Pomona-Pitzer | 108** | | | | Pomona-Pitzer | Pomona-Pitzer | 80 |
| First Round | First Round | First Round | Regional semifinals | Regional semifinals | Regional semifinals | Regional finals | Regional finals | Regional finals |
| | | | Centre (KY) | Centre (KY) | 88 | | | |
| | | | Rose-Hulman | Rose-Hulman | 75 | | | |
| Christopher Newport | Christopher Newport | 42 | Rose-Hulman | Rose-Hulman | 75 | | | |
| Rose–Hulman | Rose–Hulman | 56 | | | | | | |
| Rose–Hulman | Rose–Hulman | 56 | | | | Centre | Centre | 69 |
| | | | | | | Washington St. Louis | Washington St. Louis | 68 |
| | | | Rust | Rust | 0 | | | |
| | | | Washington St. Louis | Washington St. Louis | 2† | | | |
* † indicates a forfeit

### National finals

* Site: Springfield, Ohio
| National quarterfinals | National quarterfinals | National quarterfinals | National semifinals | National semifinals | National semifinals | National championship | National championship | National championship |
| Southern Maine | Southern Maine | 79 | | | | | | |
| Franklin & Marshall | Franklin & Marshall | 71 | | | | | | |
| Franklin & Marshall | Franklin & Marshall | 71 | Southern Maine | Southern Maine | 62 | | | |
| | | | Trenton State | Trenton State | 84 | | | |
| Trenton State | Trenton State | 78 | Trenton State | Trenton State | 84 | | | |
| Potsdam | Potsdam | 62 | | | | | | |
| Potsdam | Potsdam | 62 | | | | Trenton State | Trenton State | 86 |
| | | | | | | UW–Whitewater | UW–Whitewater | 94 |
| UW–Whitewater | UW–Whitewater | 105 | | | | | | | UW–Whitewater | UW–Whitewater | 94 |
| Otterbein | Otterbein | 86 | | | |
| Otterbein | Otterbein | 86 | UW–Whitewater | UW–Whitewater | 88 | National third-place game | National third-place game | National third-place game |
| | | | Centre (KY) | Centre (KY) | 81 |
| Centre (KY) | Centre (KY) | 124** | Centre (KY) | Centre (KY) | 81 | Southern Maine | Southern Maine | 81 |
| Stanislaus State | Stanislaus State | 123 | | | | Centre (KY) | Centre (KY) | 70 |