John Lewis Hart, also credited as John Hilton, was an American film and television actor. In his early career, Hart appeared mostly in westerns. Although Hart played mostly minor roles in some fairly well known films, he was probably best known for playing the character Hawkeye in the TV series Hawkeye and the Last of the Mohicans and replacing Clayton Moore in the television series The Lone Ranger for one season (1952–53).

The Lone Ranger is an American Western television series that aired on the ABC Television network from 1949 to 1957, with Clayton Moore in the starring role. Jay Silverheels, a member of the Mohawk Aboriginal people in Canada, played the Lone Ranger's Indian companion Tonto.