Cognomen Siriyotin (ศิริโยธิน 
, Siriyotin 
) , globally, is a very rare family name. The family name Siriyotin is characteristic of Thailand, where it is a very rare surname, and the United States, where it is an extremely rare surname. Very seldom, Siriyotin is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| ศิริโยธิน | Thailand |
| Siriyotin | United States, Thailand |