Joseph Francis Wolf Jr. (born December 28, 1966) is an American former professional football player who was an offensive lineman for nine seasons with the Phoenix/Arizona Cardinals of the National Football League (NFL).
Wolf was born in Allentown, Pennsylvania, on December 28, 1966. He played high school football for William Allen High School. In 2016, he was inducted into William Allen High School's Hall of Fame. He played college football for the Boston College Eagles.
In 1989, Wolf was selected in the first round of the 1989 NFL draft by the Cardinals with the 17th overall pick. He played for the Cardinals from 1989 to 1997.