1990–91 NCAA Division I men's basketball season

Tournament dates

March 14, 1991 – April 1, 1991

National Championship

NCAA Champions

Other champions

Player of the Year
(Naismith, Wooden)

NCAA Division I basketball seasons
«1989–90	1991–92»

1990-91 American South Conference men's basketball standings
	Conf				Overall
Team	W		L	PCT	W		L	PCT
New Orleans	9	–	3	.750	23	–	8	.742
Arkansas State	9	–	3	.750	23	–	9	.719
Louisiana Tech †	8	–	4	.667	21	–	10	.677
Louisiana-Lafayette	6	–	6	.500	21	–	10	.677
Lamar	4	–	8	.333	15	–	13	.536
Central Florida	3	–	9	.250	10	–	17	.370
Texas-Rio Grande Valley	3	–	9	.250	7	–	21	.250

† 1991 American South Tournament winner Rankings from AP Poll

1990–91 ACC men's basketball standings
	Conf				Overall
Team	W		L	PCT	W		L	PCT
#6 Duke	11	–	3	.786	32	–	7	.821
#4 North Carolina †	10	–	4	.714	29	–	6	.829
Wake Forest	8	–	6	.571	19	–	11	.633
NC State	8	–	6	.571	20	–	11	.645
Georgia Tech	6	–	8	.429	17	–	13	.567
Virginia	6	–	8	.429	21	–	12	.636
Maryland	5	–	9	.357	16	–	12	.571
Clemson	2	–	12	.143	11	–	17	.393

† ACC Tournament winner Rankings from AP Poll

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

1990–91 Big East men's basketball standings
	Conf				Overall
Team	W		L	PCT	W		L	PCT
#7 Syracuse	12	–	4	.750	26	–	6	.813
#20 St. John's	10	–	6	.625	23	–	9	.719
Connecticut	9	–	7	.563	20	–	11	.645
#13 Seton Hall†	9	–	7	.563	25	–	9	.735
Pittsburgh	9	–	7	.563	21	–	12	.636
Georgetown	8	–	8	.500	19	–	13	.594
Providence	7	–	9	.438	19	–	13	.594
Villanova	7	–	9	.438	17	–	15	.531
Boston College	1	–	15	.063	11	–	19	.367

† 1991 Big East Tournament winner As of April 1, 1991; Rankings from AP Poll

1990–91 Big Eight Conference men's basketball standings
	Conf				Overall
Team	W		L	PCT	W		L	PCT
#14 Oklahoma State	10	–	4	.714	24	–	8	.750
#12 Kansas	10	–	4	.714	27	–	8	.771
#11 Nebraska	9	–	5	.643	26	–	8	.765
Missouri †	8	–	6	.571	20	–	10	.667
Iowa State	6	–	8	.429	12	–	19	.387
Oklahoma	5	–	9	.357	20	–	15	.571
Colorado	5	–	9	.357	19	–	14	.576
Kansas State	3	–	11	.214	13	–	15	.464

† 1991 Big Eight Tournament winner As of April 1, 1991; Rankings from AP Poll

1990–91 Big Sky men's basketball standings
	Conf				Overall
Team	W		L	PCT	W		L	PCT
Montana †	13	–	3	.813	23	–	8	.742
Nevada	12	–	4	.750	17	–	14	.548
Idaho	11	–	5	.688	19	–	11	.633
Boise State	10	–	6	.625	17	–	10	.630
Idaho State	7	–	9	.438	11	–	18	.379
Weber State	7	–	9	.438	12	–	16	.429
Montana State	6	–	10	.375	12	–	16	.429
Eastern Washington	5	–	11	.313	11	–	16	.407
Northern Arizona	1	–	15	.063	4	–	23	.148

† Conference tournament winner

1990–91 Big South Conference men's basketball standings
	Conf				Overall
Team	W		L	PCT	W		L	PCT
Coastal Carolina †	13	–	1	.929	24	–	8	.750
Radford	12	–	2	.857	22	–	7	.759
Augusta State	9	–	5	.643	14	–	16	.467
Davidson	6	–	8	.429	10	–	19	.345
Winthrop	5	–	9	.357	8	–	20	.286
UNC Asheville	4	–	10	.286	8	–	20	.286
Charleston Southern	4	–	10	.286	9	–	19	.321
Campbell	3	–	11	.214	9	–	19	.321

† 1991 Big South Tournament winner Rankings from AP Poll

1990–91 Big Ten Conference men's basketball standings
	Conf				Overall
Team	W		L	PCT	W		L	PCT
#5 Ohio State	15	–	3	.833	27	–	4	.871
#3 Indiana	15	–	3	.833	29	–	5	.853
Illinois	11	–	7	.611	21	–	10	.677
Michigan State	11	–	7	.611	19	–	11	.633
Iowa	9	–	9	.500	21	–	11	.656
Purdue	9	–	9	.500	17	–	12	.586
Wisconsin	8	–	10	.444	15	–	15	.500
Michigan	7	–	11	.389	14	–	15	.483
Minnesota	5	–	13	.278	12	–	16	.429
Northwestern	0	–	18	.000	5	–	23	.179

Rankings from AP Poll

1990–91 Big West men's basketball standings
	Conf				Overall
Team	W		L	PCT	W		L	PCT
#1 UNLV	18	–	0	1.000	34	–	1	.971
#15 New Mexico State	15	–	3	.833	23	–	6	.793
Pacific	9	–	9	.500	14	–	15	.483
UC Santa Barbara	8	–	10	.444	14	–	15	.483
Utah State	8	–	10	.444	11	–	17	.393
Cal State Fullerton	7	–	11	.389	14	–	14	.500
Fresno State	7	–	11	.389	14	–	16	.467
Long Beach State	7	–	11	.389	11	–	17	.393
UC Irvine	6	–	12	.333	11	–	19	.367
San Jose State	5	–	13	.278	7	–	20	.259

† 1991 Big West Tournament winner Rankings from AP Poll

The 1990–91 NCAA Division I men's basketball season began in November 1990 and ended with the Final Four at the Hoosier Dome in Indianapolis, Indiana on April 1, 1991. The Duke Blue Devils won their first NCAA national championship with a 72–65 victory over the Kansas Jayhawks.

Beginning in 1990–91, the following rules changes were implemented:

The top 25 from the AP Poll and Coaches Poll during the pre-season.