Gaines Lawson (September 4, 1840 – September 12, 1906) was a soldier in the Union Army and a Medal of Honor recipient for his actions in the American Civil War.

Lawson joined the 4th (East) Tennessee Infantry in December, 1862, and mustered out with this regiment in August, 1865. He was commissioned in the regular army in July, 1866, and retired in September 1892.

Medal event — rank and organization: First Sergeant, Company D, 4th East Tennessee Infantry. Place and date: At Minville, Tenn., October 3, 1863.  Date of issue: June 11, 1895.

Rank: Major; Brevet Lieutenant Colonel

Citation: Went to the aid of a wounded comrade between the lines and carried him to a place of safety.

Place of burial:  Arlington National Cemetery

Source: http://www.history.army.mil/html/moh/civwaral.html