Cognomen Бэлза (Belza 
, Бэлза 
) , throughout the world, is quite a common family name. The surname Бэлза is habitual in Philippines, where it is quite a rare surname, Czechia, and Uruguay. In absolute terms, the name is most common in Philippines, Argentina, and the United States. Very seldom, Бэлза is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Belza | Philippines, Argentina, Czechia, Poland, United States |
| Бэлза | Russia |
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святослав игоревич бэлза Soviet/Russian literary and musical scholar, critic and essayist, and prominent TV personality (1942-2014), RU (b. 1942) |
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| бэлза, игорь фёдорович Soviet composer (1904-1994), RU (b. 1904) |
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