Worldwide, สุทธิอรรถ (สุทธิอรรถ 
) is a very rare male first name. The first name สุทธิอรรถ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare masculine name. Very seldom, สุทธิอรรถ is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| สุทธิอรรถ | Thailand |
มลธุรัช, หัชลีฬหา, บรรทิโต, and เมธาวัฒนพงศ์