SMS Kaiser has been the name of two ships of the German Imperial Navy: , a , a which served through World War I , a fleet auxiliary converted into a minelayer during World War I Additionally, a number of Imperial Navy vessels were given names of specific kaisers: , an 11,600-ton , launched 1900 , an 11,600-ton Kaiser Friedrich III-class battleship, launched 1896 , an 11,600-ton Kaiser Friedrich III-class battleship, launched 1899 , an 11,600-ton Kaiser Friedrich III-class battleship, launched 1897 , an 11,600-ton Kaiser Friedrich III-class battleship, launched 1899 Two ships have been named Kaiserin: , a 25,000-ton Kaiser-class battleship, launched 1911 : 6,000-ton unique heavy cruiser, launched 1892 SMS Kaiser was the name of a ship of the Austro-Hungarian Navy: , the last wooden ship of the line of the Austro-Hungarian Navy. German Navy ship names