Surname Kalchishkova (Kalchishkova 
) , across the world, is a rare cognomen. The family name Kalchishkova is habitual in Eastern Europe, particularly Bulgaria, where it is quite a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Kalchishkova | Bulgaria |
Калчишкова, Кальчишкова, and Кальчішкова