Family name เกตุกอ (Ketko 
, เกตุกอ 
) , all over the world, is a rare surname. The surname เกตุกอ is habitual in Slovakia, where it is a rare surname, Finland, and Thailand, where it is a very rare surname. In absolute terms, it is the most numerous in Thailand, Slovakia, and the United States. Very seldom, เกตุกอ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ketko | Canada, Finland, Slovakia, United States, India |
| เกตุกอ | Thailand |