Gregory Wayne Oden, Jr. (born January 22, 1988) is an American basketball player at the center position. Oden is a member of the Portland Trail Blazers of the NBA.

Oden played basketball for Ohio State University for one season, during which the team was the Big Ten Champion and the tournament runner-up in the NCAA Men's Division I Basketball Championship.

On June 28, 2007, Oden was selected first overall in the 2007 NBA Draft by the Trail Blazers. He underwent microfracture knee surgery in September 2007, and missed the entire 2007–08 NBA season as a result. He recovered and made his NBA debut on Opening Night 2008.