1998 Mid-Continent Conference men's basketball tournament
# 1998 Mid-Continent Conference men's basketball tournament

The 1998 Mid-Continent Conference men's basketball tournament was held March 1–3, 1998, at The MARK of the Quad Cities in Moline, Illinois. This was the 15th edition of the tournament for the Association of Mid-Continent Universities/Mid-Continent Conference, now known as the Summit League.

Top-seeded Valparaiso defeated #3 seed Youngstown State 67–48 to earn an automatic berth into the 1998 NCAA tournament.

## Bracket

| Quarterfinals March 1 | Quarterfinals March 1 | Quarterfinals March 1 | Semifinals March 2 | Semifinals March 2 | Semifinals March 2 | Finals March 3 | Finals March 3 | Finals March 3 |
| - | - | - | - | - | - | - | - | - |
| | | | 1 | Valparaiso | 84 | | | |
| | | | 5 | Buffalo | 73 | | | |
| 4 | Western Illinois | 74 | 5 | Buffalo | 73 | | | |
| 5 | Buffalo | 81 | | | | | | |
| 5 | Buffalo | 81 | | | | 1 | Valparaiso | 67 |
| | | | | | | 3 | Youngstown State | 48 |
| 3 | Youngstown State | 75 | | | | | | | 3 | Youngstown State | 48 |
| 6 | UMKC | 59 | | | | | | |
| 6 | UMKC | 59 | 3 | Youngstown State | 74 | | | |
| | | | 2 | Oral Roberts | 60 | | | |
| 2 | Oral Roberts | 94 | 2 | Oral Roberts | 60 | | | |
| 7 | Southern Utah | 84 | | | | | | |
