U.S.S. Oklahoma Memorial Act of 2005 - Directs the Secretary of the Interior to: (1) identify an appropriate site on Ford Island, Hawaii, for the location of a memorial to the U.S.S. Oklahoma, which was sunk during the attack on Pearl Harbor on December 7, 1941; (2) after such site has been identified, establish and administer a memorial to the U.S.S. Oklahoma as part of the U.S.S. Arizona Memorial, a unit of the National Park System; and (3) submit to Congress a memorialization plan for the part of Pearl Harbor where U.S. naval vessels were attacked on December 7, 1941.