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Gender: Male Meaning of Caio: "rejoice" Origin of Caio: Variation of Latin Caius

The name Caio is a boy's name of Latin origin meaning "rejoice". Caio and is often added to lists like Cool Names with a Strong O and discussed in our forums with posts like "Love, Like, Lose -- Outlandish/Guilty Pleasures edition!".

From the experts:

Joyful-sounding name that makes a really original option.

Find other names based on Caio using our baby name generator.

Famous People Named Caio

Caio Alves, Brazilian footballer
Caio Zampieri, Brazilian tennis player

Pop Culture References for the name Caio

A Basque version is Kaio.
Sounds like Caillou {KY-you}, character from cartoon of the same name