Last name Isina (Isina 
, Исина 
) , around the world, is quite a rare cognomen. The surname Isina is characteristic of Kazakhstan, where it is quite a common surname, Bulgaria, where it is a rare surname, and the Democratic Republic of the Congo. Not in comparison with a country's population, the name is most common in Kazakhstan, the Democratic Republic of the Congo, and Russia. Much less frequently, Isina is the forename as well as the last name.