Caio is a boy's name of Latin origin, meaning "rejoice" or "happy." It has a rich history, originating from the Roman name Gaius, which was borne by notable figures like Gaius Julius Caesar and his adopted son Gaius Octavius (Augustus). The name has been adopted in various cultures, including Portuguese and Italian, and is often associated with strength, joy, and optimism. Over time, the use of Caio has expanded globally, . The name's cultural significance is evident in its popularity in Brazil and Portugal, where it is deeply rooted in the local culture.
