Family name Орко (Orko 
, Орко 
) , all around the world, is quite a rare cognomen. The surname Орко is habitual in Bangladesh, where it is quite a rare surname, Finland, and Ghana, where it is a rare surname. Likewise, Орко is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Orko | Finland, Bolivia, Saudi Arabia, Ghana, Bangladesh |
| Орко | Russia, Ukraine |