The list of shipwrecks in December 1940 includes ships sunk, foundered, grounded, or otherwise lost during December 1940.
For the sinking of Port Wellington on this day, see the entry for 30 November 1940 For the scuttling of the Greek cargo ship Eugenia Cambasis on this day, see the entry for 28 November 1940.
World War II: The ferry struck a mine off the Wirral, Cheshire, United Kingdom and sank with the loss of four of the 220 people on board.