Cognomen Dyagilev (Дягилев 
, Dyagilev 
) , across the world, is quite a rare last name. The family name Dyagilev is characteristic of Kazakhstan, where it is quite a rare surname, Russia, and Belarus.
Mr, Maxsim, Mihail, Sergey, Alexey, Andrey, Kirill, Dmitry, Mikhail, Dmitriy, Vasiliy, Vitaliy, Oleksiy, Alexandr, Anatoliy, Vladimir, Yuriy, Yegor, Vadim, Jenya, Yan, Alex, Dima, Vlad, Inna, Ilya, Ivan, Alexander, Igor, Oleg, Yury, Anton, Belah, Pavel, Roman, Denis, Olga, and Aleksander