Last name สมัยสุข (สมัยสุข 
) , worldwide, is a very rare cognomen. The family name สมัยสุข is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. Very seldom, สมัยสุข is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| สมัยสุข | Thailand |