Cognomen ศานต์ฤทัย (ศานต์ฤทัย 
) , in all the world, is an extremely rare family name. The surname ศานต์ฤทัย is characteristic of South-eastern Asia, particularly Thailand, where it is an extremely rare surname. Much more frequently, ศานต์ฤทัย is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| ศานต์ฤทัย | Thailand |