Martin Hewitt

• Martin Hewitt , American actor
• Martin Hewitt , British disabled mountaineer, army officer and leader of the Adaptive Grand Slam
• Marty Hewitt, English footballer
• Martin Hewitt, 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