Across the world, Сямёнаў (Semenov 
, Semyonov 
, Сямёнаў ) is a rare male first name. The forename Сямёнаў is characteristic of Japan, where it is a very rare male name, Russia, where it is an extremely rare masculine name, and China. Much more prevalently, Сямёнаў is the last name as well as the forename.