Charles Lee Underhill (July 20, 1867 – January 28, 1946) was a United States representative and anti-suffrage activist from Massachusetts. He was born in Richmond, Virginia on July 20, 1867. He moved to Massachusetts in 1872 with his parents, who settled in Somerville. He attended the common schools, was office boy, coal teamster, and a blacksmith. He subsequently engaged in the manufacture and sale of hardware in that city. Underhill served in the Massachusetts House of Representatives (1902-1903 and 1908-1913), and was a member of the State constitutional convention in 1917 and 1918.