Last name Saengdaun (Saengdaun 
) , all over the world, is an extremely rare cognomen. The surname Saengdaun is characteristic of South-eastern Asia, particularly Thailand, where it is an extremely rare surname. More prevalently, Saengdaun is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Saengdaun | United States, Thailand |