Cognomen สุวรรณสูตร (สุวรรณสูตร 
) , across the world, is a very rare last name. The last name สุวรรณสูตร is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. Very seldom, สุวรรณสูตร is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| สุวรรณสูตร | Thailand |