Surname Hannken (Hannken 
) , around the globe, is a very rare cognomen. The family name Hannken is characteristic of Germany, where it is a very rare surname, New Zealand, and Australia.
| VARIANT | COUNTRY |
|---|---|
| Hannken | Germany, New Zealand, Australia |
|
catrin hannken German lawyer, DE (b. 1973) |
|
| peter hannken New Zealand photographer, NZ (b. 1958) |
|