Surname สว่างอารมณ์ (สว่างอารมณ์, Sawangnarm 
, Sawangarom 
) , globally, is a rare family name. The family name สว่างอารมณ์ is characteristic of Thailand, where it is quite a rare surname, Switzerland, where it is a rare surname, and the United States, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Sawangnarm | Thailand |
| Sawangarom | Thailand, Switzerland, United States |
| Sawangarrom | Thailand, United States |