USS Boise (CL-47) was a light cruiser of the Brooklyn class in the United States Navy. The cruiser was named for Boise, the capital city of the state of Idaho. Commissioned in 1938, she saw extensive service during World War II, taking part in fighting in the Mediterranean and Pacific theaters. Following the war the ship was decommissioned in 1946 and lay idle until sold to Argentina in 1951. Renamed Nueve de Julio, the ship remained in service with the Argentinian Navy until 1978, after which she was taken to Brownsville, Texas and scrapped in 1983.