2003 Big West Conference men's basketball tournament

The 2003 Big West Conference men's basketball tournament was held March 13–15 at Anaheim Convention Center in Anaheim, California.

2003 Big West Conference men's basketball tournament
Classification	Division I
Season	2002–03
Teams	8
Site	Anaheim Convention Center Anaheim, CA
Champions	Utah State (5th title)
Winning coach	Stew Morrill (3rd title)
MVP	Desmond Penigar (Utah State)
Big West Conference men's basketball tournaments

2002–03 Big West men's basketball standings

	Conf.							Overall
Team	W		L		PCT			W		L		PCT
UC Santa Barbara	14	–	4		.778			18	–	14		.563
UC Irvine	13	–	5		.722			20	–	9		.690
Utah State†	12	–	6		.667			24	–	9		.727
Cal Poly	10	–	8		.556			16	–	14		.533
Idaho	9	–	9		.500			13	–	15		.464
Cal State Fullerton	8	–	10		.444			10	–	19		.345
Cal State Northridge	8	–	10		.444			14	–	15		.483
Pacific	7	–	11		.389			12	–	16		.429
UC Riverside	5	–	13		.278			6	–	18		.250
Long Beach State	4	–	14		.222			5	–	22		.185
† 2003 Big West tournament winner As of April 10, 2003 Rankings from AP poll

Utah State defeated Cal Poly in the championship game, 57–54, to obtain the fifth Big West Conference men's basketball tournament championship in school history.

The Aggies participated in the 2003 NCAA Division I men's basketball tournament after earning the conference's automatic bid.

Format

Eight of the ten teams in the conference participated, with UC Riverside and Long Beach State not qualifying. Teams were seeded based on regular season conference records.

Bracket

	Quarterfinals Friday, March 13					Semifinals Saturday, March 14					Championship Sunday, March 15
	1	UC Santa Barbara	53
	8	Pacific	44
						1	UC Santa Barbara	52
						4	Cal Poly	67
	4	Cal Poly	54
	5	Idaho	50
											4	Cal Poly	54
											3	Utah State	57
	6	Cal State Fullerton	83
	3	Utah State	89
						6	Utah State	62
						2	UC Irvine	55
	7	Cal State Northridge	64
	2	UC Irvine	70