In the entire world, Wanai (Wanai 
, วนัย , Wanaie) is a rare unisex first name. The first name Wanai is habitual in Japan, where it is a rare girly name, Thailand, where it is a very rare male name, and Nigeria, where it is a very rare unisex name. Measured by absolute frequency, it is the most numerous in Japan, Nigeria, and Indonesia. Much less frequently, Wanai is the last name as well as the forename.