The 2004–05 Kansas Jayhawks men's basketball team represented the University of Kansas Jayhawks for the NCAA Division I men's 2004–05 NCAA Division I men's basketball season. The team was led by Bill Self in his second season as head coach. The team played its home games at Allen Fieldhouse in Lawrence, Kansas. The Jayhawks finished the season with a record of 23–7, 12–4 in Big 12 play to finish in a tie for first place in conference. The season marked the first of an NCAA record-setting 14 consecutive conference championships for Kansas. They lost to Oklahoma State in the semifinals of the Big 12 tournament. They received an at-large bid to the NCAA tournament as a No. 3 seed in the Syracuse Region. The Jayhawks were upset in the First Round by Bucknell on a last second shot.