In all the world, Пейко (Пейко 
, Peiko 
, Peyko 
) is a rare male first name. The forename Пейко is characteristic of Eastern Europe, particularly Bulgaria, where it is quite a rare male name. Likewise, Пейко is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Пейко | Kazakhstan, Russia, Bulgaria, Ukraine |
| Peiko | United States, Russia, India, Venezuela |
| Peyko | United Kingdom, Canada, United States, Germany, Ukraine |