Family name คุ้มตระกูล (คุ้มตระกูล, Kuorthrakool 
, Koomtrakool 
) , worldwide, is a very rare cognomen. The surname คุ้มตระกูล is characteristic of Norway, where it is a rare surname, Thailand, where it is a very rare surname, and the United States, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Kuorthrakool | Thailand |
| Koomtrakool | Norway |
| Kumtrakool | United States, Thailand |
Khoomtragoon, Khootrakool, Khootrakoon, Khumthakruea, Khumtragool, Khumtrakul, Koomtragool, and Kumtrakul