Last name กรรณสุทธ์ (กรรณสุทธ์ 
) , in all the world, is an extremely rare cognomen. The cognomen กรรณสุทธ์ is habitual in South-eastern Asia, particularly Thailand, where it is an extremely rare surname. More frequently, กรรณสุทธ์ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| กรรณสุทธ์ | Thailand |