Cognomen สุทธิโท (สุทธิโท 
) , across the world, is a very rare family name. The last name สุทธิโท is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname. Much less frequently, สุทธิโท is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| สุทธิโท | Thailand |