Joseph Lister Hill (December 29, 1894 – December 20, 1984) was an American politician. A member of the Democratic Party, he represented Alabama in the U.S. Congress for more than forty-five years, as both a U.S. Representative (1923–1938) and a U.S. Senator (1938–1969). During his Senate career he was active on health-related issues, and served as Senate Majority Whip (1941–47), and Hill also served as the Chair of the Senate Labor Committee. At the time of his retirement, Hill was the fourth-most senior Senator. Hill was succeeded by fellow Democrat James Allen.