Charles Henry Tompkins (September 12, 1830 – January 18, 1915) was an American officer who served as a Union Army colonel, who received an appointment to the brevet grade of Brigadier General of volunteers during the American Civil War. He was a recipient of the Medal of Honor for valor in action on June 1, 1861, in the Battle of Fairfax Court House (June 1861). This was the first action in the Civil War for which a Union Army officer would receive the Medal of Honor, although it was not awarded until 1893. He is not to be confused with another Union officer, Brevet Brigadier General (d. 1895) who commanded the 1st Rhode Island Light Artillery Regiment.