Guy Jacob Swope (December 26, 1892 – July 25, 1969) was an American teacher, accountant, and Democratic politician. His career included one term as a representative in the 77th United States Congress, serving as a director in the United States Department of Interior under Franklin D. Roosevelt, and serving for a brief period as acting governor of Puerto Rico in 1941. He also served in the United States Naval Reserve, Military Government Branch, where he attained the rank of Commander.