Family name Čertan (Чертан 
, Čertan 
) , all over the world, is a rare surname. The cognomen Čertan is habitual in Croatia, where it is a rare surname, Ukraine, and Kazakhstan. Measured by absolute frequency, it is the most numerous in Russia, Ukraine, and Kazakhstan.
| VARIANT | COUNTRY |
|---|---|
| Чертан | Kazakhstan, Russia, Kyrgyzstan, Belarus, Ukraine |
| Čertan | Croatia |