List of shipwrecks in May 1857

The list of shipwrecks in May 1857 includes ships sunk, wrecked or otherwise lost during May 1857.

Unknown date
{{shipwreck list item }}
 * ship=Ceres
 * flag={{flag|Portugal|civil}}
 * desc=The schooner foundered in the Atlantic Ocean before 15 May. Her crew were rescued by Maria (Flag unknown}). Ceres was on a voyage from Rio de Janeiro, Brazil to Lisbon.