Surname Lyuba (Люба 
, Lyuba 
, Лиуба ) , in the entire world, is a common last name. The last name Lyuba is characteristic of Bulgaria, where it is a common surname, Armenia, where it is quite a rare surname, and Israel. Not in comparison with a country's population, it is the most numerous in Bulgaria, Russia, and Tanzania. More frequently, Lyuba is the forename as well as the last name.