Two ships of the United States Navy have been named USS Iwo Jima, in memory of the Battle of Iwo Jima, as well as another ship never completed.
- The first Iwo Jima (CV-46) was to be an aircraft carrier, but construction was cancelled in August 1945.
- The second Iwo Jima (LPH-2) was the first purpose-built amphibious assault ship in the Navy, serving from 1961 to 1993.
- The third Iwo Jima (LHD-7) is also an amphibious assault ship, commissioned in 2001 and on active service as of 2003.