SS Mary Luckenbach

SS Mary Luckenbach may refer to:


 * SS Mary Luckenbach (1919), a Hog Islander launched as SS Sac City; renamed Black Falcon (1932) and Mary Luckenbach (1941); sunk by an aerial torpedo on 13 September 1942
 * SS Mary Luckenbach (1920), a Design 1019 ship; renamed four times between 1936 and 1957; scrapped in 1963
 * SS Mary Luckenbach (1945), a post-World War II name for the United States Navy attack cargo ship USS Waukesha (AKA-84); collided with and sank U.S. Navy hospital ship USS Benevolence (AH-13) in 1950; scrapped in 1970