Family name Goulko (Goulko 
, Гулко 
) , in all the world, is a rare last name. The last name Goulko is characteristic of Belgium, where it is a rare surname, Russia, and Ukraine.
| VARIANT | COUNTRY |
|---|---|
| Goulko | Australia, Canada, United States, Denmark, Belgium |
| Гулко | Russia, Kazakhstan, Ukraine |
| olga goulko Ph.D. University of Cambridge 2011 |
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| olga goulko researcher ORCID ID = 0000-0003-1895-0904 |
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