Family name Baião (Baiao 
, Baião 
) , in the world, is a common last name. The surname Baião is habitual in Portugal, where it is quite a common surname, Angola, and Brazil, where it is quite a rare surname. Very seldom, Baião is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Baiao | Brazil, Angola, Portugal, Japan, India |
| Baião | Brazil, Angola, Portugal, United States, France |
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arnaldo eris de baião PT (b. 950) |
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| afonso ermiges de baião Lord of Baião, PT (b. 1150) |
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| pedro ponces de baião Portuguese noble, PT (b. 1210) |
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| afonso lopes de baião Portuguese noble and troubadour, PT (b. 1210) |
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| teresa pires ii de baião PT (b. 1210) |
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| diogo lopes de baião PT (b. 1210) |
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| andré baião (b. 1566) |
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| josé pereira baião born 1690; died 1743 (b. 1690) |
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| domingos pereira baião Brazilian sculptor, BR (b. 1825) |
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antónio baião Portuguese writer (1878-1961), PT (b. 1878) |
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joão baião TV presenter and actor, PT (b. 1968) |
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| zé do baião BR (b. 1930) |
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| vadinho baião Brazilian politician, BR (b. 1959) |
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| rui baião Portuguese footballer, PT (b. 1980) |
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| berengária afonso de baião Lady of Limia, PT |
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De, Lisa, Luis, Luiz, Jane, Jade, Jose, Joao, Nuno, Elen, Hugo, Vera, Fred, Oceb, Ygor, Maria, Mario, Marta, Marco, Marli, Sonia, Sofia, Lila, Stela, Lena, Lara, Ze, Mª, Ana, Rui, Ney, Ivo, Ian, Zé, Mara, Sara, Sula, Alex, Alda, Caio, Cris, Rosa, Rita, Rute, Dina, Dora, Gina, Lays, and Alice