SS Irvin S. Cobb was a Liberty ship built in the United States during World War II. She was named after Irvin S. Cobb, an American author, humorist, editor and columnist from Paducah, Kentucky.
Irvin S. Cobb was laid down on 13 July 1944, under a Maritime Commission (MARCOM) contract, MC hull 2491, by the St. Johns River Shipbuilding Company, Jacksonville, Florida; she was sponsored by Ruth Alexander, the wife of H.F. Alexander, and friend of the namesake, and was launched on 22 August 1944.
She was allocated to the Seas Shipping Co., Inc., on 31 August 1944. On 15 July 1949, she was laid up in the National Defense Reserve Fleet, Mobile, Alabama. She was sold for scrapping, 13 May 1970, to Union Minerals & Alloys, Corp., along with, for $90,260. She was removed from the fleet, 18 July 1967.