Family name Калк (Калк 
, Calque 
) , worldwide, is a very rare cognomen. The family name Калк is characteristic of Kazakhstan, where it is a very rare surname, Peru, where it is an extremely rare surname, and Russia. Much less frequently, Калк is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Калк | Kazakhstan, Russia |
| Calque | Brazil, Peru, United States |