John Henry Moffitt (January 8, 1843 – August 14, 1926) was a United States representative from New York and the recipient of the Medal of Honor for his actions during the Civil War.

John Henry Moffitt was born near Chazy, Clinton County, New York and attended the district school and Plattsburgh Academy.

During the American Civil War, he was enlisted as a Private in Company C, 16th New York Volunteer Infantry Regiment on April 27, 1861.

Moffitt attained the rank of Sergeant, and received the Medal of Honor for heroism at the Battle of Gaines's Mill.

After leaving the Congress, he became a manager at the Syracuse Street Railway Company from 1891 to 1899 and superintendent of the city water department from 1900 to 1902.