Frank S. Bergin (July 5, 1886 – November 11, 1971) was an American football player, coach, and official. He played college football as a quarterback at Princeton University from 1907 to 1909. Bergin was the head football coach at Bowdoin College from 1910 to 1912 and Middlebury College in 1913, compiling a career college football coaching record of 12–14–3. He refereed college football games for several years after World War I. Bergin was served in the Connecticut Senate, representing the 10th district in New Haven, and was the chairman of Connecticut Liquor Control Commission. He died on November 11, 1971, at the age of 85.