Cowley Thomas, CBE (27 June 1900 - September 1977) was a captain in the Royal Navy who served in Great War and World War II. Between the wars he served in the Royal Navy Submarine Service. He retired in 1934, but was recalled to active duty in 1938. During the Second World War he served as the Naval Officer in Charge of Tripoli, Bizerta, Taranto, Port-en-Bessin and Antwerp.