Joachim Frederick, of the House of Hohenzollern, was Prince-elector of the Margraviate of Brandenburg from 1598 until his death in 1608.
- Occupation
- apostolic administrator
- Position held
- lutheran bishop of Brandenburg, Prince-Elector
- Citizenship
- Margraviate of Brandenburg
- Born
- January 27, 1546
- Died
- July 28, 1608, July 18, 1608