In all the world, Okonyechnikov (Okonyechnikov ) is an extremely rare unknown gender first name. Much more frequently, Okonyechnikov is the last name as well as the forename.
Оконечников, Оконечніков, and Оконєчніков
) is an extremely rare unknown gender first name. Much more frequently, Okonyechnikov is the last name as well as the forename.