2004 Horizon League men's basketball tournament

The 2004 Horizon League men's basketball tournament took place at the end of the 2003–04 regular season. The better seed hosted each first round match. Butler hosted the second round and semifinals. As the highest remaining seed, Milwaukee hosted the championship game.

2004 Horizon League men's basketball tournament
Classification	Division I
Season	2003–04
Teams	9[1]
First round site	campus sites
Quarterfinals site	Hinkle Fieldhouse Indianapolis, Indiana
Semifinals site	Hinkle Fieldhouse Indianapolis, IN
Finals site	U.S. Cellular Arena Milwaukee, Wisconsin
Champions	UIC (2nd title)
Winning coach	Jimmy Collins (2nd title)
MVP	Armond Williams (UIC)
Horizon League men's basketball tournaments ← 2003 2005 →

2003–04 Horizon League men's basketball standings

v t e	Conf.							Overall
Team	W		L		PCT			W		L		PCT
Milwaukee	13	–	3		.813			20	–	11		.645
Illinois-Chicago †	12	–	4		.750			24	–	8		.750
Green Bay	11	–	5		.688			17	–	11		.607
Detroit Mercy	10	–	6		.625			19	–	11		.633
Wright State	10	–	6		.625			14	–	14		.500
Butler	8	–	8		.500			16	–	14		.533
Youngstown State	4	–	12		.250			8	–	20		.286
Loyola Chicago	4	–	12		.250			9	–	20		.310
Cleveland State	0	–	16		.000			4	–	25		.138
† 2004 Horizon League Tournament winner

Seeds

All Horizon League schools played in the tournament. Teams were seeded by 2003–04 Horizon League season record, with a tiebreaker system to seed teams with identical conference records. The top 2 teams received a bye to the semifinals and the third seed received a bye to the quarterfinals.

Bracket

	First Round Tuesday, March 2					Second Round Friday, March 5					Semifinals Saturday, March 6					Championship Tuesday, March 9
											1	Milwaukee	58
	4	Detroit	62								4	Detroit	50
	9	Cleveland State	36			4	Detroit	60
	5	Wright State	59			8	Loyola	55
	8	Loyola	76													1	Milwaukee	62
																2	UIC	65
											2	UIC	65
											6	Butler	56
						3	Green Bay	50
	6	Butler	88			6	Butler	72
	7	Youngstown State	57

First round games at campus sites of higher seeds
Second round and semifinals hosted by Butler. Championship hosted by best remaining seed