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In the entire world, Bye-Bye (Babay , Bye-Bye , Baibai ) is a common gender-neutral given name. The forename Bye-Bye is habitual in Algeria, where it is quite a rare male name, Philippines, where it is quite a rare feminine name, and Japan. Likewise, Bye-Bye is the last name as well as the forename. Parts of the name also exists independently as a last name Bye, and a last name Bye.
Bye-Bye is also a name for the fictitious and mythical characters: Babay , the Slavic folklore character and Babay (Slavic folklore) .