Last name Borís (Борис 
, בוריס 
, بوريس 
) , across the world, is a common cognomen. The family name Borís is habitual in Bulgaria, where it is a common surname, Armenia, where it is quite a common surname, and Kyrgyzstan (explore the name in all countries). Not in comparison with a country's population, this name is the most popular in Eastern Europe, particularly Bulgaria, Ukraine, and Russia. Much more prevalently, Borís is the forename as well as the last name.