Mark III or Mark 3 often refers to the third version of a product, frequently military hardware. "Mark", meaning "model" or "variant", can be abbreviated "Mk."
Mark III or Mark 3 may refer to:
Arts and entertainment
- Mark III line-up of rock band Deep Purple, the band's third line-up, with David Coverdale, Ritchie Blackmore, Jon Lord, Glenn Hughes and Ian Paice
- ', a 1975 concert album by Deep Purple
- Emergency Medical Hologram Mark III, a character on the television series Star Trek: Voyager
- Mark III, a fictional cybernetic tank in the game Ogre
- Mark III Flying Car, a fictional vehicle driven by Danger Mouse
- Cobra Mk III, a spaceship in the computer game Elite
- MK III, a 2013 album by Steam Powered Giraffe
Technology
Military and weaponry
Other vehicles
Other technologies
Religion
- Mark 3 or Mark III, the third chapter of the Gospel of Mark in the New Testament of the Christian Bible
- Pope Mark III of Alexandria, patriarch of the Coptic Church from 1116 to 1189
See also