Family name Keldibai (Келдибай 
, Келдибаи , Keldibai) , all around the world, is a rare last name. The family name Keldibai is habitual in Kyrgyzstan, where it is quite a rare surname, Kazakhstan, where it is a very rare surname, and Russia, where it is an extremely rare surname. Also, Keldibai is the forename as well as the last name.