Caio
BoyPortuguese
Caio is a boy name of Portuguese origin meaning "to rejoice".
About this name
Gender
Boy
Language
Portuguese
Religion
None
Popularity
58 / 100
Syllables
1
Length
4 letters
Meaning
to rejoice
Etymology
Derived from the Latin praenomen Caius, a Roman personal name possibly from the verb gaudere meaning 'to rejoice'.
Famous People Named Caio
- Caio Júnior — Brazilian association football player and manager (1965–2016)
- Caio Blat — Brazilian actor
- Caio Fernando Abreu — Brazilian writer (1948–1996)
Frequently Asked Questions About Caio
What does the name Caio mean?
Caio means "to rejoice", and is of Portuguese origin.
What is the origin of the name Caio?
Caio originates from Portuguese, commonly used in Europe.
Is Caio a boy or girl name?
Caio is typically used as a boy name.
What religion is the name Caio associated with?
Caio is associated with None.
Are there famous people named Caio?
Yes — notable people named Caio include Caio Júnior (Brazilian association football player and manager, 1965–2016), Caio Blat (Brazilian actor) and Caio Fernando Abreu (Brazilian writer, 1948–1996).
Last updated: June 2026