Cognomen Sofyya (София 
, Sofyya 
) , in all the world, is quite a common last name. The last name Sofyya is characteristic of Bulgaria, where it is quite a common surname, Kyrgyzstan, and Uzbekistan, where it is a rare surname. Not in comparison with a country's population, this name is the most popular in Bulgaria, Russia, and Kyrgyzstan. More prevalently, Sofyya is the forename as well as the last name.