Aaron Michael Gray (born December 7, 1984) is an American former professional basketball player who played seven seasons in the National Basketball Association (NBA). A heart condition forced him into early retirement in 2015.

Gray was born December 7, 1984, in the Tarzana section of Los Angeles, California, and attended Emmaus High School in Emmaus, Pennsylvania.

Gray played high school basketball for Emmaus High School, which is a member of Pennsylvania's highly competitive East Penn Conference. Gray did not begin playing for the varsity team until the middle of his sophomore season. In Gray's senior season at Emmaus High School, he was named Pennsylvania's Gatorade Player of the Year.

Gray was recruited by major collegiate basketball programs, including Penn State, Pitt, and Rutgers, and committed to Pitt.

While at Pitt, Gray was named a Third Team All-American after helping lead Pitt to the Sweet 16 in the 2007 NCAA Division I tournament in March 2007.

At the NBA's pre-draft camp in 2007, Gray was the only player whose height measured at least seven feet without shoes. He was selected with the 49th overall selection by the Chicago Bulls in the 2007 NBA draft.

On November 2, 2007, Gray made his NBA debut with the Chicago Bulls against the Philadelphia 76ers. On April 16, 2008, against the Toronto Raptors, he recorded 19 points, 22 rebounds, and two assists in 35 minutes of play. In the 2007–08 season, Gray scored 262 points and recorded 168 rebounds for the Bulls.

On January 25, 2010, the Bulls traded Gray to the New Orleans Hornets for Devin Brown.