Globally, Halkov (Halkov , Халков , Хальков ) is an extremely rare unknown gender forename. Predominantly, Halkov is the last name as well as the forename.
Галков, and Гальков
Ivan, Sergei, and Stanimir
, Халков 
) is an extremely rare unknown gender forename. Predominantly, Halkov is the last name as well as the forename.