In the entire world, Kostousov (Костоусов , Kostousov ) is an extremely rare unknown gender given name. Much more frequently, Kostousov is the last name as well as the forename.
Костусов, and Костусьов
Mr, Vik, Igor, Olga, Andre, Vadim, Sergey, Sergei, Andrei, Larisa, Dmitriy, Vladimir, Alexander, and Konstantin
, Kostousov 
) is an extremely rare unknown gender given name. Much more frequently, Kostousov is the last name as well as the forename.