John Allen Kuhn (born September 9, 1982) is an American football fullback for the Green Bay Packers of the National Football League (NFL). After playing college football for Shippensburg University, he was signed by the Pittsburgh Steelers as an undrafted free agent in 2005. Kuhn earned a Super Bowl ring as a member of the Steelers in Super Bowl XL. He earned a second ring with the Packers, ironically against his former team, five years later in Super Bowl XLV. He was selected as the NFC's fullback in the 2012 Pro Bowl.