Family name Пелагія-Ольга (Пелагія-Ольга 
) , around the world, is an extremely rare surname. Much more frequently, Пелагія-Ольга is the forename as well as the last name. Parts of the name also exists independently as a first name Пелагія, and a first name Ольга.
| VARIANT | COUNTRY |
|---|---|
| Пелагія-Ольга | Ukraine |