Family name Geiko (芸子 
, Гейко 
, Geiko 
) , globally, is quite a rare cognomen. The family name Geiko is characteristic of Ukraine, where it is quite a rare surname, Latvia, and Belarus. In absolute terms, it is commonest in Ukraine, Russia, and Kazakhstan. Much less frequently, Geiko is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| 芸子 | China |
| Гейко | Kyrgyzstan, Russia, Belarus, Kazakhstan, Ukraine |
| Geiko | Germany, Russia, Belarus, Kazakhstan, Latvia |
| geiko müller-fahrenholz (b. 1940) |
|