Cognomen Saldina (Saldina 
, Салдина 
) , in the world, is a rare family name. The cognomen Saldina is characteristic of Kazakhstan, where it is a rare surname, Estonia, and Russia. Not in comparison with a country's population, it is commonest in Russia, Kazakhstan, and the United States. Much less frequently, Saldina is the forename as well as the last name.