Surname Sidina (Sidina 
, Сидина 
) , in the world, is quite a rare family name. The family name Sidina is characteristic of Mauritania, where it is quite a common surname, South Africa, where it is a rare surname, and Belarus. Not in comparison with a country's population, this name is the most popular in Mauritania, Russia, and South Africa. Also, Sidina is the forename as well as the last name.