Last name สุทธิศร (สุทธิศร 
) , globally, is a very rare cognomen. The cognomen สุทธิศร is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. Likewise, สุทธิศร is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| สุทธิศร | Thailand |