USS APL-31 is an APL-17-class barracks ship of the United States Navy.

The ship was laid down on 1 June 1944, by the Everett-Pacific Shipbuilding & Dry Dock Co. and launched on 30 September 1944.

[1] In April 1948, she was acquired by the United States Naval Academy.

The ship was towed out to sea and later sunk as an artificial reef on 23 July 2001.

[2] The wreck is now a scuba diving destination off the New Jersey coast.