Cognomen โทนสุข (โทนสุข 
) , across the world, is a very rare surname. The surname โทนสุข is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| โทนสุข | Thailand |
รัตนา, รัตน์, and ศักดิ์ศิลป์