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Smart Baby Names: Dictionary of Baby Names, Meanings and Origins.

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Baby Genders

Alphabetical List

Name Origins

Boy Name: Caio

Name: Caio
Pronunciation: \caio\
Gender / Sex: boy name boy
Meaning: rejoice; happy, rejoice
Origin: Latin
Sounds Like: Cai, Kai
Similar Names: Cain, Cairo, Cato


Caio \caio\ as a boy's name is a variant of Caius (Latin) and Gaius (Latin), and the meaning of Caio is "rejoice; happy, rejoice".

The baby name Caio sounds like Cai and Kai. Other similar baby names are Cain, Cairo and Cato.

View a list of the 2 names that reference Caio.


Caio is not a popular first name for men and an equally uncommon surname or last name for both men and women. (1990 U.S. Census)

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