Dexter Maurice Wynn (born February 25, 1981) is an American former professional football cornerback.

In the State Championship game he accounted for all five of his team's scores, and intercepted a pass in the end zone to seal the victory, earning a spot in Sports Illustrated's "Faces in the Crowd".

From 2000 to 2003, Dexter was a standout performer at Colorado State University earning All-Conference honors at both cornerback and return specialist from 2001 to 2003.

In November 2006, Wynn was waived by Philadelphia and claimed by the Houston Texans following the Eagles' signing of William James.

Wynn was signed by the Detroit Lions on December 9, 2008, after the team waived cornerback Brian Kelly.