Last name กังวลสุข (กังวลสุข 
) , around the world, is a very rare surname. The surname กังวลสุข is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| กังวลสุข | Thailand |
สงวน, ทิพย์พวรรณ, and สุรศักดิ์