Otto von Diederichs

Otto von Diederichs
Born(1843-09-07)7 September 1843
Died8 March 1918(1918-03-08) (aged 74)
Allegiance Kingdom of Prussia (1862–1871)
German Empire (1871–1902)
Branch Prussian Navy
 Imperial German Navy
Service years1862–1902
RankAdmiral
Commands
ConflictsFranco-Prussian War
Cretan Revolt
Spanish–American War
Boxer Rebellion

Ernst Otto von Diederichs (7 September 1843 – 8 March 1918) was a German admiral of the Prussian Navy who served both the Kingdom of Prussia and the German Empire. He was the first governor of the German Jiaozhou Bay concession in China.