Family name Poiko (Poiko 
, Пойко 
) , in the entire world, is a rare cognomen. The family name Poiko is habitual in Malaysia, where it is a rare surname, Belarus, where it is a very rare surname, and Russia.
| VARIANT | COUNTRY |
|---|---|
| Poiko | Russia, Malaysia, Brazil |
| Пойко | Belarus, Russia, Ukraine |