USS Philadelphia
Six ships of the United States Navy have been named USS Philadelphia, according to the city of Philadelphia, Pennsylvania:
- USS Philadelphia ( 1776), a gunboat, in service 1776
- USS Philadelphia ( 1799), a frigate, in service 1800-1803
- USS Philadelphia (1861 ), a steamboat in service from 1861 to 1865
- USS Philadelphia ( C-4), a cruiser in service from 1890 to 1926
- USS Philadelphia (CL -41), a cruiser in service from 1937 to 1951
- USS Philadelphia ( SSN -690 ), a submarine of the Los Angeles-class, in service 1977-2010
- Ship name of the United States Navy