Martin Hewitt may refer to:
Martin Hewitt (actor) (born 1958), American actor Martin Hewitt (adventurer) (born 1980), British disabled mountaineer, army officer and leader of the Adaptive Grand Slam Marty Hewitt (born 1965), English footballer Martin Hewitt (police officer), senior Metropolitan Police officer Martin Hewitt, a fictional detective created by Arthur Morrison Martin Hewitt, baby actor who portrayed Steven Webber on the American daytime drama General Hospital, in 1977