1991 Atlantic 10 men's basketball tournament

The 1991 Atlantic 10 men's basketball tournament was played from March 2 to March 4, 1991, and March 7, 1991, at the Palestra in Philadelphia, Pennsylvania, except for the final that was played at Rec Hall in University Park, Pennsylvania. The winner was named champion of the Atlantic 10 Conference and received an automatic bid to the 1991 NCAA Men's Division I Basketball Tournament. Penn State University won the tournament. Temple and Rutgers also received bids to the NCAA Tournament. Freddie Barnes of Penn State was named the tournament's Most Outstanding Player. The top six teams in the conference received first-round byes.

1991 Atlantic 10 men's basketball tournament
Classification	Division I
Season	1990–91
Teams	10
Site	The Palestra Philadelphia and Rec Hall University Park, Pennsylvania
Champions	Penn State (1st title)
Winning coach	Bruce Parkhill (1st title)
MVP	Freddie Barnes (Penn State)
Atlantic 10 men's basketball tournaments

1990–91 Atlantic 10 men's basketball standings

	Conf							Overall
Team	W		L		PCT			W		L		PCT
Rutgers	14	–	4		.778			19	–	10		.655
Temple	13	–	5		.722			24	–	10		.706
Penn State †	10	–	8		.556			21	–	11		.656
George Washington	10	–	8		.556			19	–	12		.613
UMass	10	–	8		.556			20	–	13		.606
West Virginia	10	–	8		.556			17	–	14		.548
Duquesne	10	–	8		.556			13	–	15		.464
Saint Joseph's	7	–	11		.389			13	–	17		.433
Rhode Island	6	–	12		.333			11	–	17		.393
St. Bonaventure	0	–	18		.000			5	–	23		.179
† 1991 Atlantic 10 Tournament winner Rankings from AP Poll

Penn State departed the Atlantic 10 following this season. The Nittany Lions played an independent schedule in 1991-92, then joined the Big Ten on July 1, 1992.

Bracket

	First round Saturday, March 2 Palestra, Philadelphia, PA					Quarterfinals Sunday, March 3 Palestra					Semifinals Monday, March 4 Palestra					Final Thursday, March 7 Rec Hall, University Park, PA
						1	Rutgers	87
						8	Saint Joseph's	90*
	8	Saint Joseph's	82*
	9	Rhode Island	65
											8	Saint Joseph's	82
											4	George Washington	84*
						4	George Washington	84*
						5	Massachusetts	83
																4	George Washington	75
																3	Penn State	81
						2	Temple	56
						7	West Virginia	53
	7	West Virginia	93
	10	St. Bonaventure	86
											2	Temple	50
											3	Penn State	52
						3	Penn State	83
						6	Duquesne	64

* - Overtime