USS California (ACR-6)
 The second USS California (ACR-6) also referred to as Armored Cruiser 6 and later renamed San Diego was a United States Navy Pennsylvania-class armored cruiser.She was launched on 28 April 1904 by Union Iron Works San Francisco California sponsored by Miss Florence Pardee (daughter of California governor George C. Pardee) and commissioned on 1 August 1907 Captain V. L.