Last name ศุทธหฤทัย (ศุทธหฤทัย 
) , throughout the world, is a very rare surname. The cognomen ศุทธหฤทัย is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname. Very seldom, ศุทธหฤทัย is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| ศุทธหฤทัย | Thailand |