1966 ACC Men's Basketball Tournament

1965–66 ACC men's basketball standings
	Conf				Overall
Team	W		L	PCT	W		L	PCT
#2 Duke †	12	–	2	.857	26	–	4	.867
NC State	9	–	5	.643	18	–	9	.667
Clemson	8	–	6	.571	15	–	10	.600
North Carolina	8	–	6	.571	16	–	11	.593
Maryland	7	–	7	.500	14	–	11	.560
South Carolina	4	–	10	.286	11	–	13	.458
Virginia	4	–	10	.286	7	–	15	.318
Wake Forest	4	–	10	.286	8	–	18	.308

† ACC Tournament winner Rankings from AP Poll

The 1966 Atlantic Coast Conference Men's Basketball Tournament was held in Raleigh, North Carolina, at Reynolds Coliseum from March 3–5, 1966. Duke defeated NC State 71–66 to win the championship for the fourth time. Steve Vacendak of Duke was named tournament MVP. This was the last ACC Tournament held at Reynolds Coliseum.