Cognomen Коби (Kobi 
, Coby 
, Cobi 
) , around the world, is a common family name. The cognomen Коби is habitual in Ghana, where it is quite a rare surname, Switzerland, and Israel. In absolute terms, it is the most numerous in Ghana, the Democratic Republic of the Congo, and Bangladesh. Likewise, Коби is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kobi | Japan, Democratic Republic of the Congo, United States, Ghana, Bangladesh |
| Coby | Japan, Netherlands, Malaysia, United States, Ghana |
| Cobi | Netherlands, Malaysia, Indonesia, United States, India |
| Коби | Kazakhstan, Russia |