Justin Lee Tuck (born March 29, 1983, in Coosa County, Alabama) is an American football defensive end for the National Football League's New York Giants. His parents are Jimmy Lee and Elaine Tuck and is married to Lauran Williamson of Bucks County, Pennsylvania.

A former standout defensive end for the Notre Dame Fighting Irish, Tuck currently plays in the National Football League for the New York Giants. His cousin Adalius Thomas also plays professional football for the New England Patriots. On January 17, 2008, Tuck was rewarded with a contract extension with the Giants.

In his personal life, Justin has participated in various philanthropic causes. Tuck and Giants teammate Michael Strahan teamed up with Nike to design their own exclusive pair of sneakers for ID studio in New York City. All proceeds of the sneakers were donated to Nike’s Let Me Play global campaign.