Joe Barry (born July 5, 1970) is an American football coach who is the defensive coordinator for the Green Bay Packers of the National Football League (NFL). He previously served as the assistant head coach and linebackers coach for the Los Angeles Rams from 2017 to 2020 and defensive coordinator for the Washington Commanders from 2015 to 2016 and the Detroit Lions from 2007 to 2008. Barry also previously served as an assistant coach for the San Diego Chargers, Tampa Bay Buccaneers and San Francisco 49ers. Barry is the son of former coach Mike Barry.