Cognomen Bełza (Bełza 
, Белза 
) , throughout the world, is a rare last name. The family name Bełza is characteristic of Eastern Europe, particularly Poland, where it is a rare surname, Ukraine, and Russia, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Bełza | Poland |
| Белза | Ukraine, Russia |
| marcin bełza PL (b. 1477) |
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józef bełza Polish chemist (1805-1888), PL (b. 1805) |
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władysław bełza Polish poet and children's writer (1847-1913), PL (b. 1847) |
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stanisław bełza Polish lawyer (1849-1929), PL (b. 1849) |
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alojzy bełza UA (b. 1900) |
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| witold bełza Polish librarian (1886-1955), PL (b. 1886) |
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