O36 is an Australian genzine published by Marc Ortlieb.
Q36 received the Ditmar Award for Best Fanzine in 1981, 1982 and 1983. Featured exploding planets on the cover - as homage to the Eludium Q36 Explosive Space Modulator, from the Warner Brothers Martian Cartoons.
Q36 regularly featured artwork by John Packer.
Marc Ortlieb also published the fanzineTigger.