He received 62 first-place votes, followed by Erik Spoelstra of the Miami Heat with 24 votes from a panel of sports writers and broadcasters. New York's Mike Woodson finished third and San Antonio's Gregg Popovich, who won the award last season, was fourth.
Most seasons coached (25) before winning the award.
Erik Spoelstra on COY: "Congratulations to George Karl, but I know he didn't want it either. No disrespect."
Spoelstra: "I'm probably more pleased this morning than George Karl. It's not quite as definitive as the SI jinx, but it's pretty close."