Surname Колдов (Колдов 
) , all over the world, is a very rare family name. The cognomen Колдов is characteristic of Bulgaria, where it is a rare surname, Ukraine, where it is a very rare surname, and Kazakhstan. Measured by absolute frequency, it is the most numerous in Eastern Europe, particularly Russia, Ukraine, and Bulgaria.
| VARIANT | COUNTRY |
|---|---|
| Колдов | Kazakhstan, Russia, Ukraine, Bulgaria |