| Meaning | rejoice, happy |
| Origin | Italian, Portuguese |
| Gender | Boy |
| Popularity | Moderate |
| Length | 4 |
| Syllables | 2 |
| Syllabification | Cai-o |
About Caio
Caio brings exotic flair and international sophistication to the naming landscape. This choice speaks to parents who appreciate global perspectives and want their child's name to reflect cosmopolitan sensibilities. The name possesses an inherent coolness, a certain je ne sais quoi that makes it stand out in any setting. Caio works beautifully for families with Latin American connections or those who simply admire the linguistic elegance of Romance languages. The pronunciation—KY-oh—has a rhythmic quality that's both fun to say and pleasant to hear. In English-speaking countries, the name offers distinctiveness without feeling completely foreign or difficult. Children named Caio often enjoy explaining their unique name, which can build confidence and communication skills from an early age. The name's brevity makes it memorable while its unusual spelling adds visual interest. Caio suggests adventure, creativity, and a life lived beyond conventional boundaries. For parents who want their son to have a name as unique as his potential, Caio delivers distinction wrapped in just four letters.
Nicknames for Caio
| Cai |
| Cao |
| Io |
| Cay |
Famous People Named Caio
| Caio Júlio César | Gaius Julius Caesar - Ancient Roman military leader and statesman |
| Caio Duilio | Ancient Roman admiral famous for his naval victories |
| Caio Plínio Segundo | Pliny the Elder - Ancient Roman author, naturalist, and philosopher |
| Caio Fernando Abreu | Brazilian writer |
| Caio Ribeiro | Brazilian former professional footballer |
| Caio Castro | Brazilian actor and model |
| Caio Blat | Brazilian actor |
| Caio César Ignácio Cardoso de Melo | Brazilian economist |
| Caio Zampieri | Brazilian tennis player |
| Caio Pavanelli | Brazilian digital influencer |
| Caio Collet | Brazilian racing driver |
| Caio Gracco | Ancient Roman politician |
| Caio Fonseca | American painter, born to Brazilian parents |
| Caio Souza | Brazilian artistic gymnast |
| Caio Induscar | Brazilian bus and coach manufacturer |
| Caio Terra | Brazilian Jiu-Jitsu world champion |
| Caio Manhente | Brazilian actor and singer |
| Caio César | Caio César de Almeida Soares - Brazilian footballer |
| Caio Narcio | Brazilian politician |
| Caio Rangel | Brazilian footballer |
Characters Named Caio
| Caio Montano | Character in Shakespeare's play "Julius Caesar" |
| Caio Reisewitz | Character in the Brazilian TV series "3%" |
| Caio Sorrento | Character in the video game "Assassin's Creed - Origins" |