Marvin Allen (born 5 March 1983) is an American football wide receiver who plays for the London Warriors. He was signed by the London Olympians in 2001. He attended St. Joseph's College. Allen has also played for the Frankfurt Galaxy, Rhein Fire and Amsterdam Admirals of NFL Europa. He was an international practice squad player for the Steelers in 2006, the Miami Dolphins in 2007 and the Steelers in 2008.