Trey Williams is an American former professional football running back. He signed with the Washington Redskins as an undrafted free agent in 2015. Williams was also a member of the Dallas Cowboys, New England Patriots, Miami Dolphins, Indianapolis Colts, Pittsburgh Steelers, Toronto Argonauts, San Antonio Commanders, Seattle Dragons, Calgary Stampeders, New Jersey Generals, Pittsburgh Maulers, and Memphis Showboats. He played college football for the Texas A&M Aggies.