1990 North Star Conference women's basketball tournament

The 1990 North Star Conference women's basketball tournament was held at the ? in DeKalb, Illinois. The tournament began on March 8, 1990, and ended on March 10, 1990. Northern Illinois earned a first-round bye by finishing in first place during the regular season.

1990 North Star Conference Tournament

 * First round Bye Northern Illinois
 * First round March 8, 1990 Green Bay 68, Cleveland State 67
 * First round March 8, 1990 DePaul 83, Illinois Chicago 45
 * First round March 8, 1990 Valparaiso 81, Akron 80
 * Semifinals March 9, 1990 DePaul 69, Green Bay 59
 * Semifinals March 9, 1990 @Northern Illinois 102, Valparaiso 79
 * Championship: March 10, 1990 @Northern Illinois, 97 DePaul 85