Joseph Lorenzo Porter (born March 22, 1977 in Kansas City, Missouri) is an American football linebacker for the Miami Dolphins of the National Football League. He was drafted by the Pittsburgh Steelers in the third round of the 1999 NFL Draft. He played college football at Colorado State University.
A four-time Pro Bowl selection, Porter earned a Super Bowl ring with the Steelers in Super Bowl XL. He pleaded no contest to battery charges against Levi Jones when he and six associates assaulted him in a casino.
Porter's prep career took place at Foothill High School in Bakersfield, California. He was a two-time All-Conference selection as wide receiver and running back for the Trojans. His senior season, he led the team to a 9–2 mark and a berth in the sectional playoffs, rushing the ball 86 times for 1,086 yards. After his final season at Foothill, he was named to the All-Section and All-State teams. He lettered twice in football, plus twice in basketball. He also played soccer as a youth.