Cognomen Iza (Iza 
, Иса 
, Иза 
) , globally, is a common surname. The surname Iza is habitual in Georgia, where it is quite a common surname, Kyrgyzstan, and Brunei, where it is quite a rare surname. In absolute terms, the name is most common in Indonesia, Georgia, and Poland. More prevalently, Iza is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Iza | Indonesia, Guatemala, Georgia, Poland, Brazil |
| Иса | Azerbaijan, Kazakhstan, Uzbekistan, Russia, Kyrgyzstan |
| Иза | Kazakhstan, Armenia, Russia, Kyrgyzstan, Belarus |
| 이자 | South Korea |
| juan antonio de iza zamácola Spanish writer, ES (b. 1758) |
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| luis zirilo iza Basque writer, ES (b. 1837) |
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ángel ignacio iza Argentine military personnel, AR (b. 1900) |
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| remigio iza Spanish footballer (b. 1883) |
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| jose maria mugica iza Spanish politician, ES (b. 1913) |
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| sándor iza Hungarian actress, HU (b. 1914) |
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| gladys aguiar iza Uruguayan writer, UY (b. 1928) |
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| fausto iza Spanish bicycle racer, ES (b. 1931) |
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leonidas iza Indigenous Ecuadorian Leader, EC (b. 1982) |
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miren iza ES (b. 1979) |
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| washington iza Ecuadorian artist, EC (b. 1947) |
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| vicente iza Spanish cyclist, ES (b. 1958) |
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| josé maría iza EC (b. 1963) |
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| benjamín atutxa iza basque politician |
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| kattalin iza researcher (ORCID 0000-0001-6044-5245) |
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