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