Last name Gaycken (Gaycken 
) , around the globe, is a very rare cognomen. The family name Gaycken is habitual in Germany, where it is a rare surname, and the United States, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Gaycken | Germany, United States |
|
sandro gaycken German computer security expert, DE (b. 1973) |
|
| geelcke gaycken artist (b. 1971) |
|