Cognomen Chiabai (Chiabai 
) , across the world, is a rare last name. The last name Chiabai is characteristic of Italy, where it is a rare surname, Brazil, and Belgium, where it is a very rare surname. In absolute terms, it is the most numerous in Brazil, Italy, and France. Much less frequently, Chiabai is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Chiabai | France, Argentina, Italy, Brazil, United States |
| pasquale chiabai Italian rower, IT (b. 1946) |
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| ricardo luiz chiabai politician from Brazil, BR (b. 1963) |
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| aline chiabai researcher |
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| joseane chiabai researcher (ORCID 0000-0001-9699-7770) |
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Mr, Rita, Ruth, Rudy, Davi, Dino, Dora, Gaby, Gina, Gino, Lacy, Lisa, Luis, Luiz, Luan, Jane, Jana, Jose, John, Joao, Jean, Jeff, Raul, Judy, Kaua, Kate, Ms, Ana, Kay, Pat, Pio, Rod, Lea, Lis, Jay, Val, Isa, Ivo, Mary, Mara, Alex, Alcy, Alan, Alda, Aldo, Anna, Caio, Kaio, and Tino