Cognomen Sirisakdi (Sirisakdi 
) , in the entire world, is a very rare surname. The family name Sirisakdi is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname. Very seldom, Sirisakdi is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sirisakdi | Thailand |
ศิริศักดิ์, ศิริศักดิ์๋, and สิริศักดิ์