Thomas Irving (born 1842, date of death unknown) was a Union Navy sailor in the American Civil War and a recipient of the U.S. military's highest decoration, the Medal of Honor, for helping to free his grounded ship. Born in 1842 in England, Irving immigrated to the United States and was living in New York when he joined the U.S. Navy. He served during the Civil War as a coxswain on the USS Lehigh. Irving's official Medal of Honor citation reads: Irving was promoted to acting master's mate before leaving the Navy in January 1865.