Last name Обретенов (Обретенов 
) , in the entire world, is a rare family name. The cognomen Обретенов is characteristic of Eastern Europe, particularly Bulgaria, where it is quite a rare surname, Russia, where it is an extremely rare surname, and Ukraine.
| VARIANT | COUNTRY |
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| Обретенов | Russia, Bulgaria, Ukraine |
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георги тихов обретенов Bulgarian revolutionary, BG (b. 1849) |
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никола обретенов Bulgarian revolutionary, BG (b. 1849) |
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петър обретенов BG (b. 1842) |
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| тихо обретенов BG (b. 1808) |
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| ангел обретенов BG (b. 1837) |
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| александър обретенов Bulgarian architect (1903-1990), BG (b. 1903) |
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| кирил обретенов BG (b. 1899) |
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| светослав обретенов BG (b. 1909) |
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| иван обретенов Bulgarian actor (1924-1988), BG (b. 1924) |
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| боян обретенов Bulgarian journalist, BG (b. 1946) |
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