Surname สุทธิธรรมกิจ (สุทธิธรรมกิจ 
) , worldwide, is an extremely rare cognomen. The family name สุทธิธรรมกิจ is characteristic of South-eastern Asia, particularly Thailand, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| สุทธิธรรมกิจ | Thailand |