Worldwide, Ketko (Ketko 
, Кетько 
, Кетко 
) is a very rare unisex first name. The given name Ketko is habitual in Southern Asia, particularly India, where it is an extremely rare epicene name. Much more prevalently, Ketko is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Ketko | Finland, Slovakia, Canada, United States, India |
| Кетько | Belarus, Russia, Ukraine |
| Кетко | Kyrgyzstan, Russia, Belarus, Kazakhstan, Ukraine |
| เกตุกอ | Thailand |