Tommie Harris, Jr. (born April 29, 1983 in Killeen, Texas) is an American football defensive tackle for the Chicago Bears of the National Football League. He was drafted by the Bears 14th overall in the 2004 NFL Draft. He played college football at Oklahoma.

Harris is a two-time All-Pro and three-time Pro Bowl selection.

Harris was raised in Killeen, Texas, and attended Ellison High School. As a member of the Ellison Eagles, Harris became one of the nation's top defensive high school prospects, including being ranked as the 35th best high school prospect in the nation by recruiting analyst Tom Lemming. In the 1998 football season he was a starting defensive tackle in his freshman year for the Eagles who were ranked 1st in the state of Texas and 3rd in the nation. He participated on Ellison' track and field team, where he participated in the shotput.