Nicholas John Collison (born October 26, 1980) is an American former professional basketball player who played his entire 15-year career in the National Basketball Association (NBA) with the Seattle SuperSonics/Oklahoma City Thunder franchise.
He was drafted by the SuperSonics in the first round of the 2003 NBA draft and retired as a member of the Thunder in 2018.
As a college player, Collison went to two Final Fours with the Kansas Jayhawks.