Family name Bibai (Bibai 
, Бибай 
) , in the world, is a rare cognomen. The last name Bibai is habitual in Cameroon, where it is a rare surname, Nigeria, where it is an extremely rare surname, and Philippines. Measured by absolute frequency, it is commonest in Cameroon, India, and Nigeria. More prevalently, Bibai is the forename as well as the last name.