# 2004 NAIA Division II men's basketball tournament

The 2004 NAIA Division II men's basketball tournament was the tournament held by the NAIA to determine the national champion of men's college basketball among its Division II members in the United States and Canada for the 2003–04 basketball season.
Oregon Tech defeated Bellevue (NE) in the championship game, 81–72, to claim the Owls' first NAIA national title.
The tournament was played at Keeter Gymnasium on the campus of the College of the Ozarks in Point Lookout, Missouri.

## Qualification

The tournament field remained fixed at thirty-two teams, and the top sixteen teams were seeded.
The tournament continued to utilize a single-elimination format.

## Bracket

| First round | First round | First round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | | Semifinals | Semifinals | Semifinals | | National championship | National championship | National championship |
| 1 | Jamestown | 98 | | | | | | | | | | | | | | |
| | Berea | 81 | | | | | | | | | | | | | | |
| | Berea | 81 | 1 | Jamestown | 66 | | | | | | | | | | | |
| | | | 16 | Oregon Tech | 73 | | | | | | | | | | | |
| | Dominican California | 69 | 16 | Oregon Tech | 73 | | | | | | | | | | | |
| 16 | Oregon Tech | 71 | | | | | | | | | | | | | | |
| 16 | Oregon Tech | 71 | | | | 16 | Oregon Tech | 83 | | | | | | | | |
| | | | | | | 8 | Cedarville | 75 | | | | | | | | |
| 9 | Cornerstone | 97 | | | | | | | 8 | Cedarville | 75 | | | | | | | | |
| | Bluefield (VA) | 83 | | | | | | | | | | | | | | |
| | Bluefield (VA) | 83 | 9 | Cornerstone | 77 | | | | | | | | | | | |
| | | | 8 | Cedarville | 98 | | | | | | | | | | | |
| | College of the Ozarks | 75 | 8 | Cedarville | 98 | | | | | | | | | | | |
| 8 | Cedarville | 76 | | | | | | | | | | | | | | |
| 8 | Cedarville | 76 | | | | | | | | 16 | Oregon Tech | 80 | | | | |
| | | | | | | | | | | 5 | Saint Ambrose | 67 | | | | |
| 5 | Saint Ambrose | 63 | | | | | | | | | | | 5 | Saint Ambrose | 67 | | | | |
| | Sterling (KS) | 62 | | | | | | | | | | | | | | |
| | Sterling (KS) | 62 | 5 | Saint Ambrose | 86 | | | | | | | | | | | |
| | | | | Saint Vincent | 80 | | | | | | | | | | | |
| | Saint Vincent | 113 | | Saint Vincent | 80 | | | | | | | | | | | |
| 12 | Indiana Tech | 96 | | | | | | | | | | | | | | |
| 12 | Indiana Tech | 96 | | | | 5 | Saint Ambrose | 88* | | | | | | | | |
| | | | | | | 4 | William Jewell | 84 | | | | | | | | |
| 13 | Northwestern (IA) | 100 | | | | | | | 4 | William Jewell | 84 | | | | | | | | |
| | Huntington (IN) | 103* | | | | | | | | | | | | | | |
| | Huntington (IN) | 103* | | Huntington (IN) | 69 | | | | | | | | | | | |
| | | | 4 | William Jewell | 74 | | | | | | | | | | | |
| | Maine–Machias | 75 | 4 | William Jewell | 74 | | | | | | | | | | | |
| 4 | William Jewell | 90 | | | | | | | | | | | | | | |
| 4 | William Jewell | 90 | | | | | | | | | | | | 16 | Oregon Tech | 81 |
| | | | | | | | | | | | | | | 2 | Bellevue | 72 |
| 3 | Albertson | 77 | | | | | | | | | | | | | | | 2 | Bellevue | 72 |
| | Tabor | 60 | | | | | | | | | | | | | | |
| | Tabor | 60 | 3 | Albertson | 71 | | | | | | | | | | | |
| | | | | Daemen | 76 | | | | | | | | | | | |
| | Daemen | 74 | | Daemen | 76 | | | | | | | | | | | |
| 14 | Taylor | 67 | | | | | | | | | | | | | | |
| 14 | Taylor | 67 | | | | | Daemen | 62 | | | | | | | | |
| | | | | | | | Sioux Falls | 74 | | | | | | | | |
| 11 | Dickinson State | 67 | | | | | | | | Sioux Falls | 74 | | | | | | | | |
| | Sioux Falls | 85 | | | | | | | | | | | | | | |
| | Sioux Falls | 85 | | Sioux Falls | 78 | | | | | | | | | | | |
| | | | 6 | Flagler | 67 | | | | | | | | | | | |
| | King (TN) | 44 | 6 | Flagler | 67 | | | | | | | | | | | |
| 6 | Flagler | 76 | | | | | | | | | | | | | | |
| 6 | Flagler | 76 | | | | | | | | | Sioux Falls | 62 | | | | |
| | | | | | | | | | | 2 | Bellevue | 70 | | | | |
| 7 | Marian (IN) | 94 | | | | | | | | | | | 2 | Bellevue | 70 | | | | |
| | Cal State Hayward | 81 | | | | | | | | | | | | | | |
| | Cal State Hayward | 81 | 7 | Marian (IN) | 57 | | | | | | | | | | | |
| | | | 10 | MidAmerica Nazarene | 69 | | | | | | | | | | | |
| | Iowa Wesleyan | 70 | 10 | MidAmerica Nazarene | 69 | | | | | | | | | | | |
| 10 | MidAmerica Nazarene | 84 | | | | | | | | | | | | | | |
| 10 | MidAmerica Nazarene | 84 | | | | 10 | MidAmerica Nazarene | 50 | | | | | | | | |
| | | | | | | 2 | Siena Heights | 74 | | | | | | | | |
| 15 | Siena Heights | 72 | | | | | | | 2 | Siena Heights | 74 | | | | | | | | |
| | Cardinal Stritch | 70 | | | | | | | | | | | | | | |
| | Cardinal Stritch | 70 | 15 | Siena Heights | 75 | | | | | | | | | | | |
| | | | 2 | Bellevue (NE) | 78* | | | | | | | | | | | |
| | St. Scholastica | 55 | 2 | Bellevue (NE) | 78* | | | | | | | | | | | |
| 2 | Bellevue (NE) | 78 | | | | | | | | | | | | | | |