Robert Kirby (1948–2009) was a British musician and arranger.
Robert Kirby may also refer to: Robert J. Kirby (1889–1944), American prison warden Robert Kirby (satirist) (1936–2007), South African satirist Robert Kirby (humor columnist) (born 1953), American writer Robert Kirby (cartoonist) (born 1962), American comics artist
See also Robion Kirby (born 1938), American mathematician