Family name รัตนาไพศาลสุข (รัตนาไพศาลสุข 
) , all over the world, is a very rare last name. The surname รัตนาไพศาลสุข is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| รัตนาไพศาลสุข | Thailand |
| บุศย์สิริ รัตนาไพศาลสุข Thai actor, TH (b. 1992) |
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