Cognomen Oregi (Oregi 
) , across the world, is a very rare surname. The surname Oregi is habitual in Spain, where it is a very rare surname, and Nigeria, where it is an extremely rare surname. Very seldom, Oregi is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Oregi | United States, Spain, Nigeria |
| juan jose lete oregi Spanish writer, ES (b. 1882) |
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jokin oregi Basque writer, ES (b. 1970) |
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| josu oregi ES (b. 1919) |
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| xabat oregi researcher |
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| izaskun oregi researcher (ORCID 0000-0002-3950-1668) |
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