1991 NAIA men's basketball tournament

The 1991 NAIA Men's Division I Basketball Tournament was held in March at Kemper Arena in Kansas City, Missouri. The 54th annual NAIA basketball tournament featured 32 teams playing in a single-elimination format.

Awards and honors

• Leading scorers:
• Leading rebounder:
• Player of the Year: est. 1994.

1991 NAIA bracket

	First Round					Second Round					Elite Eight					NAIA National Semifinals					NAIA National Championship
	1	Wisconsin Eau Claire	78
	-	Maine-Machias	49
						1	Wisconsin Eau Claire	55
						16	Westmont (CA)	52*
	16	Westmont (CA)	65
	-	Emporia State (KS)	55
											1	Wisconsin Eau Claire	57
	TOP TIER
											9	Taylor (IN)	64
	9	Taylor (IN)	68
	-	Francis Marion (SC)	47
						9	Taylor (IN)	60
						-	Northern State (SD)	59
	-	Northern State (SD)	80
	8	Georgia Southwestern	67
																9	Taylor (IN)	60
																5	Central Arkansas	60
	5	Central Arkansas	75
	-	Olivet Nazarenne (IL)	66
						5	Central Arkansas	99
						12	Rio Grande (OH)	67
	12	Rio Grande (OH)	111
	-	Campbellsville (KY)	92
											5	Central Arkansas	95
	TOP TIER
											13	Athens State (AL)	64
	13	Athens State (AL)	86
	-	Whitworth (WA)	65
						13	Athens State (AL)	62
						4	Minnesota Duluth	56*
	4	Minnesota Duluth	76'
	-	Xavier (LA)	68
																					5	Central Arkansas	74
																					2	Oklahoma City	77
	3	David Lipscomb (TN)	106
	-	Holy Family (PA)	75
						3	David Lipscomb (TN)	89
						14	Briar Cliff (IA)	87
	14	Briar Cliff (IA)	72
	-	Park (MO)	60
											3	David Lipscomb	95
	BOTTOM TIER
											6	Pfeiffer (NC)	96
	11	St. Mary’s (TX)	96
	-	Hawaii Loa	94*
						11	St. Mary’s (TX)	71
						6	Pfeiffer (NC)	83
	6	Pfeiffer (NC)	96
	-	St. Vincent (PA)	82
																6	Pfeiffer	83
																2	Oklahoma City	100
	-	St. Mary’s (MI)	77
	7	Wayland Baptist (TX)	68
						-	St. Mary’s (MI)	83
						10	College of Idaho	96
	10	College of Idaho	96
	-	St. Rose (NY)	91**
											-	St. Mary’s (MI)	94
	BOTTOM TIER
											2	Oklahoma City	112
	15	Concord (WV)	106
	-	Southern Colorado	91
						15	Concord (WV)	85
						2	Oklahoma City	107
	2	Oklahoma City	80
	-	Concordia (NE)	77

•  * denotes overtime.