The 2005 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 Virginia Union University and VUU's Antwan Walton was the Most Outstanding Player.

[1] Location: Dana Center Host: Bentley College Location: Merner Gym Host: Pfeiffer University Location: Texas A&M-Commerce Field House Host: Texas A&M University-Commerce Location: Haggen Court at Sam Carver Gymnasium Host: Western Washington University Location: Count and Countess de Hoernle Sports and Cultural Center Host: Lynn University Location: Houdeshell Court at Croy Gymnasium Host: University of Findlay Location: Auraria Events Center Host: Metropolitan State University Location: A.C. Jordan Arena Host: Bowie State University Location: Ralph Engelstad Arena Host: University of North Dakota