USS Natchez (PG-102/PF-2) was a River-class frigate (known as an Asheville-class patrol frigate in U.S. service) acquired by the U.S. Navy during World War II. She was originally ordered and laid down as HMS Annan for the Royal Navy, and renamed as HMCS Annan for the Royal Canadian Navy before transfer to the U.S. Navy before launch. She was used for anti-submarine patrol work during the war.