Cognomen Bye-Bye (Babay 
, Bye-Bye 
, Baibai 
) , in the entire world, is a common family name. The surname Bye-Bye is habitual in Algeria, where it is quite a common surname, Tunisia, where it is quite a rare surname, and Philippines. Measured by absolute frequency, it is commonest in Algeria, Philippines, and Indonesia. Likewise, Bye-Bye is the forename as well as the last name. Parts of the name also exists independently as a last name Bye, and a last name Bye.