Last name Kaldina (Kaldina 
, Кальдина 
, Калдина ) , in all the world, is a rare surname. The last name Kaldina is habitual in Russia, where it is a rare surname, Kazakhstan, and Georgia, where it is a very rare surname. Measured by absolute frequency, this name is the most popular in Russia, Kazakhstan, and South Africa. Much less frequently, Kaldina is the forename as well as the last name.