Caio - Name Meaning and Origin

The boy's name Caio \caio\ is a variant of Caius and Gaius.

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

Caio is a very rare male first name and a very rare surname (source: 1990 U.S. Census). Displayed below is the baby name popularity trend for the boy's name Caio. Click here to compare Caio with related baby names.