SMS Prinz Eitel Friedrich

SMS Prinz Eitel Friedrich may refer to:


 * SS Prinz Eitel Friedrich (1904), a German auxiliary cruiser taken over by the US and commissioned as USS DeKalb (ID-3010) during the First World War
 * SMS Prinz Eitel Friedrich (1915), an unfinished Mackensen-class battlecruiser built for the German Navy during the First World War