2003
| Conference | Winning School | Regular Season Champion | NCAA Tournament Bid | Losing School | Regular Season Champion | NCAA Tournament Bid |
|---|---|---|---|---|---|---|
| America East | Vermont | NCAA | Boston University | RS | ||
| Atlantic 10 | Dayton | NCAA | Temple | |||
| Atlantic Coast | Duke | NCAA | North Carolina State | NCAA | ||
| Atlantic Sun | Troy State | RS | NCAA | Central Florida | ||
| Big 12 | Oklahoma | NCAA | Missouri | NCAA | ||
| Big East | Pittsburgh | RS | NCAA | Connecticut | RS | NCAA |
| Big Sky | Weber State | RS | NCAA | Eastern Washington | ||
| Big South | NC-Asheville | NCAA | Radford | |||
| Big Ten | Illinois | NCAA | Ohio State | |||
| Big West | Utah State | NCAA | Cal Poly-SLO | |||
| Colonial | NC-Wilmington | RS | NCAA | Drexel | ||
| Conference USA | Louisville | NCAA | UAB | |||
| Horizon | WI-Milwaukee | NCAA | Butler | RS | NCAA | |
| Metro Atlantic | Manhattan | RS | NCAA | Fairfield | ||
| Mid-American | Central Michigan | RS | NCAA | Kent State | RS | |
| Mid-Continent | IUPUI | NCAA | Valparaiso | RS | ||
| Mid-Eastern | South Carolina State | RS | NCAA | Hampton | ||
| Missouri Valley | Creighton | NCAA | Southern Illinois | RS | NCAA | |
| Mountain West | Colorado State | NCAA | UNLV | |||
| Northeast | Wagner | RS | NCAA | St. Francis (NY) | ||
| Ohio Valley | Austin Peay | RS | NCAA | Tennessee Tech | ||
| Pacific-10 | Oregon | NCAA | USC | |||
| Patriot | Holy Cross | RS | NCAA | American | ||
| Southeastern | Kentucky | RS | NCAA | Mississippi State | RS | NCAA |
| Southern | East Tennessee State | RS | NCAA | UT-Chattanooga | ||
| Southland | Sam Houston State | RS | NCAA | Stephen F. Austin | ||
| Southwestern Athletic | Texas Southern | NCAA | Alcorn State | |||
| Sun Belt | WKU | RS | NCAA | Middle Tennessee State | ||
| West Coast | San Diego | NCAA | Gonzaga | RS | NCAA | |
| Western Athletic | Tulsa | NCAA | Nevada |
Read more about this topic: List Of NCAA Division I Men's Basketball Conference Tournament Champions