Charles Simeon Baker (born February 18, 1839) was a Republican member of the United States House of Representatives from New York. He represented New York’s 30th congressional district and served three terms in Congress. His tenure in the House began on December 7, 1885, and concluded on March 3, 1891.

During this period, Baker served as a Representative in the U.S. Congress, identified in official records by the biographical guide ID B000057. He was part of the Republican Party and held office as a federal legislator from New York, focusing his public service on the interests of his state and district. After leaving office in 1891, he was regarded as a former member of Congress, and no further official roles or committee assignments are recorded in the available metadata.