The 2004 NCAA Division II men's basketball tournament was the 48th annual single-elimination tournament to determine the national champion of men's NCAA Division II college basketball in the United States.
Officially culminating the 2003–04 NCAA Division II men's basketball season, the tournament featured sixty-four teams from around the country.
The Elite Eight, national semifinals, and championship were played at the Centennial Garden in Bakersfield, California, previously the venue of the 2001 finals.
Kennesaw State (35–4) defeated Southern Indiana in the final, 84–59, to win their first Division II national championship.
The Owls were coached by Tony Ingle. Kennesaw State's Terrence Hill was the Most Outstanding Player.
Regionals
Great Lakes - Romeoville, Illinois
Location: Neil Carey Arena Host: Lewis University
South Central - Stephenville, Texas
Location: Wisdom Gymnasium Host: Tarleton State University
South - Valdosta, Georgia
Location: The Complex Host: Valdosta State University
North Central - Denver, Colorado
Location: Auraria Events Center Host: Metropolitan State University
East - Misenheimer, North Carolina
Location: Merner Gym Host: Pfeiffer University
South Atlantic - Kennesaw, Georgia
Location: KSU Convocation Center Host: Kennesaw State University
Northeast - Lowell, Massachusetts
Location: Costello Gym Host: University of Massachusetts at Lowell
West - San Bernardino, California
Location: Coussoulis Arena Host: California State University, San Bernardino
Elite Eight-Bakersfield, California
Location: Bakersfield Centennial Garden Host: California State University, Bakersfield
All-tournament team
Terrence Hill, Kennesaw State (MOP) Georgy Joseph, Kennesaw State Cris Brunson, Southern Indiana Joe Gordon, Southern Indiana Luke Kendall, Metro State