Last name Omrčen-Čeko (Omrčen-Čeko 
) , in all the world, is a very rare cognomen. The surname Omrčen-Čeko is habitual in Southern Europe, particularly Croatia, where it is quite a rare surname. Parts of the name also exists independently as a last name Omrčen, and a last name Čeko.
| VARIANT | COUNTRY |
|---|---|
| Omrčen-Čeko | Croatia |