Family name สุสินธุ์ (สุสินธุ์ 
) , in the entire world, is a very rare last name. The last name สุสินธุ์ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname. Very seldom, สุสินธุ์ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| สุสินธุ์ | Thailand |