Caio - Name Meaning and Popularity -

Meaning of Caio

Caio is a vibrant male name with roots in the ancient Roman name Gaius, meaning “rejoice,” and it shines with a joyful energy that feels like a warm Mediterranean sunrise. It evokes visions of Roman senators and modern-day dreamers in São Paulo. In Italian it’s pronounced KAH-yoh, while in Portuguese it becomes KIE-oh, adding a melodic twist depending on the setting. Over the past decades, Caio has steadily climbed the U.S. baby charts, proving its appeal far beyond Latin America and Europe. With its simple elegance and bright spirit, Caio arrives like a spark of possibility—bold, uplifting, and ready to write an inspiring story of its own. It’s so sunny, it might even make the family puppy wag its tail.