Samuel James Hefferton (March 28, 1896[1] – February 16, 1980) was a Canadian politician, journalist and educator.
He represented the electoral district of Trinity North in the Newfoundland and Labrador House of Assembly from 1949 to 1956.
He began teaching in 1911 but joined the Royal Newfoundland Regiment during World War I. Hefferton married Minnie DeGrish in 1918.
After the war, he worked on the Evening Telegram and later served as managing editor for The Industrial Worker.
Hefferton served as Minister of Education in the interim government formed by Joey Smallwood and then was elected to the Newfoundland assembly later that year.