2006 NCAA Division II men's basketball tournament

The 2006 NCAA Division II men's basketball tournament involved 64 schools playing in a single-elimination tournament to determine the national champion of men's NCAA Division II college basketball as the culmination of the 2004–05 NCAA Division II men's basketball season. It was won by Winona State University and WSU's John Smith was the Most Outstanding Player.

South - Cleveland, Mississippi
Location: Walter Sillers Coliseum Host: Delta State University

West - Seattle, Washington
Location: Royal Brougham Pavilion Host: Seattle Pacific University

Great Lakes - Rensselaer, Indiana
Location: Richard F. Scharf Alumni Fieldhouse Host: St. Joseph's College

South Atlantic - Richmond, Virginia
Location: Barco-Stevens Hall Host: Virginia Union University

North Central - Winona, Minnesota
Location: McCown Gymnasium Host: Winona State University

East - Wilson, North Carolina
Location: Wilson Gym Host: Barton College

Northeast - North Easton, Massachusetts
Location: Merkert Gymnasium Host: Stonehill College

South Central - Bolivar, Missouri
Location: Meyer Wellness & Sports Center Host: Southwest Baptist University

Elite Eight–Springfield, Massachusetts
Location: MassMutual Center Hosts: American International College and Naismith Memorial Basketball Hall of Fame

All-tournament team

 * Tony Binetti (Seattle Pacific)
 * Brad Byerson (Virginia Union)
 * Darius Hargrove (Virginia Union)
 * John Smith (Winona State)
 * David Zellmann (Winona State)