Last name Eldaniz (Eldaniz 
, Елданиз 
, Эльданиз 
) , in all the world, is quite a rare cognomen. The cognomen Eldaniz is habitual in Azerbaijan, where it is quite a common surname, Georgia, where it is quite a rare surname, and Kyrgyzstan, where it is a very rare surname. Measured by absolute frequency, it is the most numerous in Azerbaijan, Georgia, and China. More frequently, Eldaniz is the forename as well as the last name.