List of shipwrecks in 1918

The list of shipwrecks in 1918 includes ships sunk, foundered, grounded, or otherwise lost during 1918.

January

Further information: List of shipwrecks in January 1918

February

Further information: List of shipwrecks in February 1918

March

Further information: List of shipwrecks in March 1918

April

Further information: List of shipwrecks in April 1918

May

Further information: List of shipwrecks in May 1918

June

Further information: List of shipwrecks in June 1918

July

Further information: List of shipwrecks in July 1918

August

Further information: List of shipwrecks in August 1918

September

Further information: List of shipwrecks in September 1918

October

Further information: List of shipwrecks in October 1918

November

Further information: List of shipwrecks in November 1918

December

Further information: List of shipwrecks in December 1918

Unknown date

• Diana (Germany): The cargo ship was sunk off the coast of Norway following a boiler explosion in January or early February.
• Sénégamble (France): The ship collided with another vessel and sank in February or early March.
• SM UB-107 (Kaiserliche Marine): World War I: The Type UB III submarine struck a mine and sank in the North Sea () between 27 July and 3 August with the loss of all 38 crew.
• SM UC-79 (Kaiserliche Marine): World War I: The Type UC II submarine struck a mine and sank in the English Channel off Cap Gris Nez, Pas-de-Calais, France in late March or early April.