2009–10 ACC men's basketball standings
	Conf				Overall
Team	W		L	PCT	W		L	PCT
#3 Duke †	13	–	3	.813	35	–	5	.875
#20 Maryland	13	–	3	.813	24	–	9	.727
Florida State	10	–	6	.625	22	–	10	.688
Virginia Tech	10	–	6	.625	25	–	9	.735
Wake Forest	9	–	7	.563	20	–	10	.667
Clemson	9	–	7	.563	21	–	11	.656
Georgia Tech	7	–	9	.438	23	–	13	.639
Boston College	6	–	10	.375	15	–	16	.484
Virginia	5	–	11	.313	15	–	16	.484
North Carolina	5	–	11	.313	20	–	17	.541
NC State	5	–	11	.313	20	–	16	.556
Miami (FL)	4	–	12	.250	20	–	13	.606

† ACC Tournament winner As of March 19, 2010; Rankings from AP Poll

The 2009–10 North Carolina Tar Heels men's basketball team represented the University of North Carolina at Chapel Hill. Their head coach was Roy Williams. The team played its home games in the Dean Smith Center in Chapel Hill, North Carolina, and is a member of the Atlantic Coast Conference. They were the defending National Champions. This season represented the 100th season of basketball in the school's history.

The Tar Heels finished the season 20–17, 5–11 in ACC play and lost in the first round of the 2010 ACC Men's Basketball Tournament. They received an invitation to the 2010 National Invitation Tournament where they advanced to the championship game before falling to Dayton.

The Tar Heels lost four starters from their 2008–09 Championship team and top backcourt reserve Bobby Frasor. Tyler Hansbrough, the Atlantic Coast Conference all-time leading scorer, was selected in the lottery of the 2009 NBA Draft, going #13 to the Indiana Pacers. ACC Player of the Year Ty Lawson and 2009 NCAA Tournament Most Outstanding Player Wayne Ellington also were drafted in the first round, by the Denver Nuggets and Minnesota Timberwolves respectively. Senior swingman Danny Green would also be drafted by the Cleveland Cavaliers in the second round.