Christopher Arthur Rainey (born March 2, 1988) is an American player of Canadian football who is a running back for the Montreal Alouettes of the Canadian Football League (CFL). He played college football for the University of Florida, and was a member of Florida's BCS National Championship team in 2009. The Pittsburgh Steelers of the National Football League (NFL) selected him in the fifth round of the 2012 NFL Draft, and he has also played for the NFL's Indianapolis Colts.