Charles Eugene Belknap (October 17, 1846 – January 16, 1929) was an American politician who served as a U.S. representative from the U.S. state of Michigan.

During the American Civil War, he enlisted as a private on August 12, 1862, in Company H of the Twenty-first Regiment, Michigan Volunteer Infantry.

[1] In 1885, he was appointed by Governor Russell A. Alger as a Trustee of the Institution for the Deaf and Dumb in Flint, Michigan for a term ending in 1891.

Belknap defeated Melbourne H. Ford in 1888 to be elected as a Republican from Michigan's 5th congressional district to the United States House of Representatives for the Fifty-first Congress.

He was not a candidate for re-nomination to the Fifty-second Congress in 1890, but was subsequently elected to fill the vacancy caused by the death of Ford on April 20, 1891.

Prepared by Companion Brevet Major Charles E. Belknap ... read at the stated meeting of January 4, 1893.