2005 Atlantic 10 men's basketball tournament

The 2005 Atlantic 10 men's basketball tournament was played from March 9 to March 12, 2005, at U.S. Bank Arena in Cincinnati, Ohio. The winner was named champion of the Atlantic 10 Conference and received an automatic bid to the 2005 NCAA Men's Division I Basketball Tournament. George Washington won the tournament. The top two teams in each division received first-round byes. George Washington earned the conference's only bid to the NCAA tournament.

2005 Atlantic 10 men's basketball tournament
Classification	Division I
Season	2004–05
Teams	12
Site	U.S. Bank Arena Cincinnati, Ohio
Champions	George Washington Colonials (1st title)
Winning coach	Karl Hobbs (1st title)
MVP	Pat Carroll (Saint Joseph's)
Atlantic 10 men's basketball tournaments ← 2004 2006 →

2004–05 Atlantic 10 men's basketball standings

v t e	Conf.							Overall
Team	W		L		PCT			W		L		PCT
East
Saint Joseph's	14	–	2		.875			24	–	12		.667
Temple	11	–	5		.688			16	–	14		.533
UMass	9	–	7		.563			16	–	12		.571
Fordham	8	–	8		.500			13	–	16		.448
Rhode Island	4	–	12		.250			6	–	22		.214
St. Bonaventure	1	–	15		.063			2	–	26		.071
West
George Washington †	11	–	5		.688			22	–	8		.733
Dayton	10	–	6		.625			18	–	11		.621
Xavier	10	–	6		.625			17	–	12		.586
Richmond	8	–	8		.500			14	–	15		.483
La Salle	5	–	11		.313			10	–	19		.345
Duquesne	5	–	11		.313			8	–	22		.267
† 2005 Atlantic 10 Tournament winner Rankings from AP Poll[1]