Harry Buffington Coffee (March 16, 1890 – October 3, 1972) was an American Democratic Party politician. Born near Harrison, Nebraska on March 16, 1890, a son of Samuel Buffington Coffee and May Elizabeth Tisdale. Harry graduated from the University of Nebraska-Lincoln in 1913. He sold real estate and insurance in Chadron, Nebraska from 1914 to 1939. During World War I he was a second lieutenant in the Air Service in 1917 and 1918. He organized the Coffee Cattle Co., Inc. in 1915 which owned many ranches in Sioux County, Nebraska. He also did some farming.