Ethan Happ (born May 7, 1996) is an American professional basketball player for Vanoli Cremona of the Italian Lega Basket Serie A (LBA), on loan from Olympiacos.
He is the all-time leading rebounder for the Wisconsin Badgers, where he started all 139 games of his career, and he is also the school record holder in blocked shots, double-doubles and triple-doubles.
Happ is one of just six players in NCAA history to record at least 2,000 points, 1,000 rebounds and 400 assists.At a height of 2.08 m (6'10") tall, Happ plays at both the power forward and center positions.