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Cognomen Kotlo (Kotlo
, Котло
) , in all the world, is a rare family name. The family name Kotlo is habitual in Southern Europe, particularly Serbia, where it is quite a rare surname, North Macedonia, where it is a rare surname, and Croatia. Not in comparison with a country's population, it is commonest in India, Russia, and Serbia. Also, Kotlo is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kotlo | India, North Macedonia, Croatia, South Africa, Serbia |
| Котло | Ukraine, Russia, Kazakhstan |