Family name Bua (Bua 
, บัว , Буа 
) , in the world, is a common cognomen. The surname Bua is habitual in Fiji, where it is quite a rare surname, Italy, and Botswana. Not in comparison with a country's population, it is the most numerous in Italy, Indonesia, and India. Likewise, Bua is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Bua | Indonesia, Italy, Philippines, Thailand, India |
| บัว | Thailand |
| Буа | Kazakhstan, Russia, Ukraine |
| بوا | Morocco, Egypt |
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giovanni maria bua IT (b. 1773) |
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nicholas john bua United States federal judge (1925-2002), US (b. 1925) |
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| ettore bua author (20th century) (b. 1901) |
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| rosolino bua Italian actor (1901-1979), IT (b. 1901) |
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| bua xou mua Hmong spiritual leader, US (b. 1915) |
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| justin bua American artist, US (b. 1968) |
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| bua eva hidayah ID (b. 1967) |
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| gloria bua researcher ORCID ID = 0000-0003-0850-2948 |
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| john bua researcher |
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| peter bua (fl. 1450s) was an Albanian leader of late medieval Despotate of the Morea |
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| ashley bua American Film Producer, US |
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| ilenia bua author of Biblioteche Oggi, IT |
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| dennis bua researcher |
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| jacqueline bua researcher |
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| matthew f buas researcher |
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