Family name Sangsook (Sangsook 
) , in the entire world, is a rare surname. The cognomen Sangsook is characteristic of Thailand, where it is a rare surname, and China, where it is an extremely rare surname. Likewise, Sangsook is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sangsook | United States, South Korea, Thailand, China |