Around the globe, Kai Kai (Kai Kai 
) is a rare unisex given name. The forename Kai Kai is habitual in Hong Kong, where it is quite a rare gender-neutral name, and Malaysia, where it is a very rare mostly girly, but uncommonly male name. Very seldom, Kai Kai is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Kai Kai | Canada, Malaysia, Hong Kong, Japan, Denmark |