Cognomen Voyno (Войно 
, Voyno 
, Воыно ) , all around the world, is a rare family name. The family name Voyno is characteristic of Belarus, where it is quite a rare surname, Bulgaria, where it is a rare surname, and Estonia. In absolute terms, this name is the most popular in Eastern Europe, particularly Russia, Belarus, and Bulgaria. Very seldom, Voyno is the forename as well as the last name.