Last name Евстатий (Евстатий 
) , in all the world, is a very rare cognomen. The family name Евстатий is characteristic of Eastern Europe, particularly Bulgaria, where it is a rare surname. Likewise, Евстатий is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Евстатий | Bulgaria |
Efstathios, Eustac, Eustacchio, Eustace, Eustach, Eustache, Eustachio, Eustachy, Eustacio, Eustacius, Eustacjusz, Eustahije, Eustaqui, Eustaquio, Eustasio, Eustasius, Eustathios, Eustazio, Eustazy, Eustațiu, Eustácio, Eustáquio, Evstafy, Evstahij, Evstatii, Evstaty, Ostap, Stathis, Ευστάθιος, Στάθης, Астафий, Евстафий, Евстахий, Остап, Остафий, Стафей, Эсташ, Юстас, and Євстафій