Roscoe Conkling (October 30, 1829 – April 18, 1888) was an American lawyer and Republican politician who represented New York in the United States House of Representatives and the United States Senate. He is remembered today as the leader of the Republican Stalwart faction and a dominant figure in the Senate during the 1870s. Conkling, who was temperate and detested tobacco, was known for his physical condition, maintained through regular exercise and boxing, an unusual devotion for his time.