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Around the world, Kaai (Kai
, Cai
, Kaai
) is a common unisex first name. The first name Kaai is characteristic of Macao, where it is quite a common epicene name, Guam, where it is quite a common girly name, and Hong Kong, where it is quite a common gender-neutral name (explore the name in all countries). Not in comparison with a country's population, this name is the most popular in India, China, and Germany. More prevalently, Kaai is the last name as well as the forename.
Kaai is also a popular name for the fictitious and mythical characters: Kaai Yuki , character in Vocaloid; Kai Bartley , the fictional character from Grey's Anatomy; Kai Shiden , the fictional character from Mobile Suit Gundam; Kai von Mölln , the character from Thomas Mann's Buddenbrooks and Kai , the imaginary figure from the TV series ''Lego Ninjago", The Lego Ninjago Movie, and in many other works.