In the world, Koryaev (Koryaev , Коряев ) is an extremely rare unknown gender given name. Much more frequently, Koryaev is the last name as well as the forename.
Кориаев, and Корйаев
Mr
, Коряев 
) is an extremely rare unknown gender given name. Much more frequently, Koryaev is the last name as well as the forename.