All around the world, Khinchin (Khinchin , Хинчин ) is an extremely rare unknown gender first name. Much more prevalently, Khinchin is the last name as well as the forename.
Хинхин, Хінчин, and Хінчін
Vitaliy
, Хинчин 
) is an extremely rare unknown gender first name. Much more prevalently, Khinchin is the last name as well as the forename.