Mark Reeves Bacon (born February 29, 1852) was a Republican member of the United States House of Representatives from Michigan. He represented Michigan’s 2nd Congressional District and served a single term in Congress. His tenure in the U.S. House began on April 2, 1917, and concluded on March 3, 1919.

During this period, Bacon served as a Representative in the 65th Congress, identified in congressional records by the bioguide ID B000018. He held office as a historical member of Congress from Michigan and was affiliated with the Republican Party. After his term ended in 1919, he did not return to Congress, and he is recorded as a former officeholder.