- this week

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 "Quick Question Thread?!".

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


danirose01 Says:


Really cute, and has an ancient kind of sound. I almost wonder if people would mishear this as Kyle.

JustBrowsing Says:


how is this pronounced? like Kai?
I initially thought of ciao, but thankfully the spelling is different.

fuzzycub Says:


Nice; Cai is a cool nickname.