A keyhole is an aperture for receiving a key. Keyhole may also refer to: Gravitational keyhole, a region of a large body's orbit that could cause a small body to collide with it The Keyhole, a 1933 American film directed by Michael Curtiz Keyhole (film), 2011, by Canadian director Guy Maddin Keyhole (roller coaster element) Keyhole, a region of the sky toward which a telescope cannot point (as in the keyhole problem) Keyhole, Inc., a data visualization company acquired by Google Keyhole (comics), an alternative comic published in the 1990s Key Hole (KH), a series of imaging satellites Keyhole surgery Keyhole cichlid, a fish from the genus Cleithracara Keyhole button closure, a button, usually found on the back of a woman's blouse Keyhole Falls, a waterfall in British Columbia, Canada Keyhole Glacier, on Baffin Island, Nunavut, Canada Keyhole nebula, another name for the Carina Nebula A type of cockpit on a kayak or sea kayak The KH-11 KENNEN reconnaissance satellite, codenamed Key Hole ″Keyhole″, a short story by Murray Leinster Keyhole race, a speed-based equestrian sporting event