HMS Caicos (K505)
 HMS Caicos was a Colony-class frigate of the United Kingdom that served during World War II. She was originally ordered by the United States Navy as the Tacoma-class patrol frigate USS Hannam and was transferred to the Royal Navy prior to completion. After her return to U.S. Navy custody she was sold to Argentina and served in the Argentine Navy (Armada de la Republica Argentina) as a frigate under the names ARA Trinidad (P-34) and ARA Santísima Trinidad (P-34) from 1948 to 1962.