Surname Kliushkin (Kliushkin 
, Клиушкин 
) , in the world, is a very rare family name. The family name Kliushkin is characteristic of Russia, where it is a very rare surname, and the United States, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Kliushkin | United States |
| Клиушкин | Russia |