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
This article includes a list of ships with the same or similar names. If an internal link for a specific ship led you here, you may wish to change the link to point directly to the intended ship article, if one exists.