Worldwide, Костельнікова (Костельнікова ) is an extremely rare unknown gender forename. Much more prevalently, Костельнікова is the last name as well as the forename.
Kostelnikova
Юлія, Ганна, Олена, Тетяна, and Валентина
) is an extremely rare unknown gender forename. Much more prevalently, Костельнікова is the last name as well as the forename.