Family name Пейко (Пейко 
, Peiko 
, Peyko 
) , in all the world, is a rare surname. The last name Пейко is habitual in Eastern Europe, particularly Bulgaria, where it is quite a rare surname, Ukraine, where it is a rare surname, and Russia, where it is a very rare surname. Also, Пейко is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Пейко | Kazakhstan, Russia, Bulgaria, Ukraine |
| Peiko | United States, Russia, India, Venezuela |
| Peyko | United Kingdom, Canada, United States, Germany, Ukraine |
| пейко, николай иванович Russian composer and professor of composition, RU (b. 1916) |
|