Family name แสงไสยาสน์ (แสงไสยาสน์ 
) , worldwide, is an extremely rare cognomen. The last name แสงไสยาสน์ is characteristic of South-eastern Asia, particularly Thailand, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| แสงไสยาสน์ | Thailand |