Byron Mac Cutcheon (May 11, 1836 – April 12, 1908) was an American Civil War officer, Medal of Honor recipient and politician from the U.S. state of Michigan.

In 1857, he was invited to take charge of Birmingham Academy in Oakland County as principal, though he intended only to remain long enough to secure means to further progress in his own education.

The following spring, he entered the University of Michigan and in the fall of 1859, he worked as principal of the Oak Grove Academy, in Lenawee County in order to support himself.

Before graduating he had become the principal and was a professor of ancient languages, higher mathematics and mental and moral philosophy in the Ypsilanti High School, 1861 and 1862.

He resigned his school post to enlist in the Union Army following the outbreak of the American Civil War and raised a company for the Twentieth Regiment, Michigan Infantry who mustered him into service as a Second Lieutenant.

He served as a Presidential elector from Michigan in 1868, casting votes for the ticket of Ulysses S. Grant and Schuyler Colfax.

In 1887, he was the Moderator of the Congregationalists' "General Association of Michigan" annual meeting held in Lansing [2] He was also a companion of the District of Columbia Commandery of the Military Order of the Loyal Legion of the United States and a compatriot of the Sons of the American Revolution.

They raised five children, four sons and one daughter, named, respectively, Frank Warner, Charles Tripp, Max Hart, Frederick Richard, and Marie Louise.

He was appointed civilian member of the Board of Ordnance and Fortifications by U.S. President Benjamin Harrison in July 1891 and served until March 25, 1895.