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