"Variant of Caio"
The name Kaio is commonly a male name from the "Welsh" origin.
Kaio is a spelling of the Portuguese masculine given name Caio, which continues the Latin name Gaius, also written Caius. The K spelling reflects Brazilian Portuguese practice, in which K is substituted for C in given names. It is not a name with a separate meaning of its own.
Caio means "Happy".
The pronunciation of Kaio is KYE-oh.
