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The Imperial German Navy (1871-1918) — the navy of the former German Empire.

v t e German Navies
Pre–unification German states	Brandenburg Navy (16th century – 1701) Prussian Navy (1701–1867) Schleswig–Holstein Navy (1848–1851) Austro–Hungarian Navy (1786–1918)
German Confederation	Reichsflotte (1848–1852) Bundesflotte (Planned)
North German Confederation	Norddeutsche Bundesmarine (1867–1871)
German Empire	Kaiserliche Marine (1871–1918)
Weimar Republic	Reichsmarine (1919–1935)
Nazi Germany	Kriegsmarine (1935–45)
Allied–occupied Germany	German Mine Sweeping Administration (1945–1947) German Mine Sweeping Formation Cuxhaven (1948–1951) Labor Service Unit (B) (1951–1957) Seegrenzschutz (1951–1956) (West Germany) Main Administration Sea Police (1950–1956) (East Germany)
Post WWII German Navy	Deutsche Marine (1956–today) Volksmarine (1956–1990) (East Germany)