Kai is a name used most frequently for boys and appears to have roots in a variety of cultures. In Hawaiian culture, it means "sea," yet in Japanese culture, the name means "shell." In Europe, Kai is ...

Kai is most frequently used as a boy's name. Learn more about the meaning, origin, and popularity of the name Kai. Fact checked by Karen Cilli Fact checked by Karen Cilli Kai is a name used most ...