Robert Kirby (1948-2009) was a British musician and arranger.
Robert Kirby may also refer to:
Robert Kirby (comics) (born 1962), American comics artist,
Robert Kirby (satirist) (1936-2007), South African satirist,
Robert J. Kirby (1890-1944), prison warden,
Robert Kirby (humor columnist) (born 1953), syndicated humor columnist for the Salt Lake Tribune,
Robert Kirby (racing driver), former American racing driver