Surname แสงนิ่มนวล (แสงนิ่มนวล, Sangnimnuan 
) , around the world, is an extremely rare cognomen. The surname แสงนิ่มนวล is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Sangnimnuan | Thailand |