Last name Baio (Bai 
, Байо 
, Baio 
) , around the world, is a prevalent cognomen. The cognomen Baio is habitual in India, where it is a widespread surname, Cayman Islands, where it is a common surname, and China, where it is quite a common surname (explore the name in all countries). Not in comparison with a country's population, this name is the most popular in India, China, and Pakistan.
| VARIANT | COUNTRY |
|---|---|
| Bai | Saudi Arabia, Bangladesh, India, Pakistan, China |
| Байо | Bulgaria, Armenia, Russia, Ukraine |
| Baio | Italy, India, Indonesia, United States, China |
| بايو | Iraq, Egypt, Iran, Algeria, Morocco |
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emanuela baio dossi Italian politician and journalist, IT (b. 1956) |
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scott baio actor, television director, US (b. 1960) |
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jimmy baio actor, US (b. 1962) |
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ivan baio Italian writer, IT (b. 1974) |
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andy baio American blogger, US (b. 1977) |
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chris baio American musician, US (b. 1984) |
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| joey baio American actor, US (b. 1953) |
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| aldo baio Italian water polo player, IT (b. 1975) |
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| kim t baio researcher |
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| gianluca baio researcher |
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| gabriella baio researcher |
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| fabio henrique rojo baio researcher (ORCID 0000-0002-9522-0342) |
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| joe e baio researcher |
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| suleimane baio Bissau-Guinean association football player (1983-), GW (b. 1983) |
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| juan josé álvarez baio |
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