Mark S. McNaughton (born May 7, 1963) is a former Pennsylvania State Representative in the 104th District, which covers part of Dauphin County. The son of a prominent regional land developer, McNaughton is a native of Harrisburg, Pennsylvania. He graduated Central Dauphin East High School in 1981. He earned a degree in management and finance from Elizabethtown College in 1985 and a law degree from Widener University Commonwealth Law School in 2003.