USS Blackford (APB-45) was a Benewah-class self-propelled barracks ship that was in service with the United States Navy during the waning days of World War II.

On 2 January 1945, her keel was laid down at Missouri Valley Bridge and Iron Co., and on 6 March 1945 she was once more redesignated, this time as Self-Propelled Barracks Ship Blackford APB-45.

During the war, Blackford served the U.S. Navy in the Asiatic-Pacific Theatre of Operations.Arriving at Pearl Harbor on 19 August 1945, she joined the 3rd Amphibious Force.

During the next eight months she served at Eniwetok, Ulithi, Leyte, and Tokyo Bay as a floating barracks.

This article incorporates text from the public domain Dictionary of American Naval Fighting Ships.