Kelvin Anthony Sheppard (born January 2, 1988) is an American professional football coach and former linebacker who is the defensive coordinator for the Detroit Lions of the National Football League (NFL). He previously played in the NFL for 8 seasons. Sheppard played college football for the LSU Tigers and was selected by the Buffalo Bills in the third round of the 2011 NFL draft. He was also a member of the Indianapolis Colts, Miami Dolphins, New York Giants, Chicago Bears and Detroit Lions.