Around the world, Eustațiu (Eustațiu 
) is a very rare boy's forename. The forename Eustațiu is characteristic of Eastern Europe, particularly Romania, where it is a rare boy's name.
| VARIANT | COUNTRY |
|---|---|
| Eustațiu | Romania |
Efstathios, Eustac, Eustacchio, Eustace, Eustach, Eustache, Eustachio, Eustachy, Eustacio, Eustacius, Eustacjusz, Eustahije, Eustaqui, Eustaquio, Eustasio, Eustasius, Eustathios, Eustazio, Eustazy, Eustácio, Eustáquio, Evstafy, Evstahij, Ostap, Stathis, Ευστάθιος, Στάθης, Астафий, Евстатий, Евстафий, Евстахий, Остап, Остафий, Стафей, Эсташ, Юстас, and Євстафій
| eustațiu pencovici Romanian general (b. 1836) |
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| eustațiu sebastian (b. 1856) |
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