Jahnke
Jahnke is a German surname meaning "kin of John" or "kin of Johann". Notable people with the surname include:
- Bob Jahnke, New Zealand artist and educator
- Cat Jahnke], Canadian singer-songwriter
- Eugen Jahnke, German mathematician
- Franklin M. Jahnke, American politician
- Gerburg Jahnke, German comedian
- Hugo Jahnke, Swedish gymnast
- Huia Jahnke, New Zealand academic
- Kurt Jahnke, German-American intelligence agent and saboteur
- Minnie Jahnke, American jeweler
- Paul Jahnke, German leftwing political activist who became a resistance activist against the Nazis
- Ryan Jahnke, American figure skater