John Walter Heselton (March 17, 1900 – August 19, 1962) was a Republican member of the United States House of Representatives from January 3, 1945 until January 3, 1959. Heselton represented Massachusetts' first congressional district for seven consecutive terms. Heselton retired in Vero Beach, Florida, and died on August 19, 1962, after having considered a political comeback in Florida earlier that year. He is buried at Oak Grove Cemetery in Gardiner, Maine.