Last name พชรศุทธิ์สิริ (พชรศุทธิ์สิริ 
) , all over the world, is an extremely rare cognomen. The surname พชรศุทธิ์สิริ is habitual in South-eastern Asia, particularly Thailand, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| พชรศุทธิ์สิริ | Thailand |