Surname สุยุทธ์ (สุยุทธ์ 
, Suyuth 
) , across the world, is a very rare family name. The last name สุยุทธ์ is habitual in South-eastern Asia, particularly Indonesia, where it is a very rare surname. Very seldom, สุยุทธ์ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| สุยุทธ์ | Thailand |
| Suyuth | Indonesia |