The 61st annual National Invitation Tournament had a 32-team field. First three rounds played on home courts of higher seeded teams. Semifinal, Third Place and Championship games played March 24-26 at Madison Square Garden in New York City.
1st Round
| at Georgia Tech 88 | Seton Hall 78 |
| at N.C. State 59 | Kansas St. 39 |
| at Penn State 82 | Rider 68 |
| at Auburn 77 | Southern Miss. 62 |
| at Dayton 95 | Long Island U. 92 |
| Georgetown 71 | at Florida 69 |
| at Marquette 80 | Creighton 68 |
| at Memphis 90 | Ball State 67 |
| at Minnesota 77 | Colorado St. 65 |
| Ala-Birmingham 93 | at Missouri 86 |
| at Vanderbilt 73 | St. Bonaventure 61 |
| Gonzaga 69 | at Wyoming 55 |
| Georgia 100 | at Iowa 93 |
| Fresno St. 73 | at Pacific 70 |
| at Hawaii 90 | Arizona St. 73 |
| at Wake Forest 56 | UNC-Wilmington 52 |
2nd Round
| at Georgia Tech 80 | Georgetown 79, OT |
| Penn State 77 | at Dayton 74 |
| at Minnesota 79 | Ala-Birmingham 66 |
| at Marquette 75 | Auburn 60, OT |
| at Fresno St. 83 | Memphis 80 |
| at Hawaii 78 | Gonzaga 70 |
| Vanderbilt 72 | at Wake Forest 68 |
| Georgia 61 | N.C. State 55 |
Quarterfinals
| Penn State 75 | at Georgia Tech 70 |
| at Minnesota 73 | Marquette 71 |
| at Georgia 79 | Vanderbilt 65 |
| Fresno St. 85 | at Hawaii 83 |
Semifinals
| Minnesota 91 | Fresno St. 89, OT |
| Penn State 66 | Georgia 60 |
Championship
| Minnesota 79 | Penn State 72 |
Other Men's 1998 Tournaments
1997-98 Most Valuable Players College Basketball
