In all the world, ทุกข์ (Dukkha 
, Thuk 
, Suffein ) is a rare unisex given name. The first name ทุกข์ is habitual in Southern Asia, particularly India, where it is a very rare gender-neutral name. Likewise, ทุกข์ is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Dukkha | India, Myanmar |
| Thuk | Malaysia, Bulgaria, Thailand, India, Myanmar |
| Suffein | Thailand |