Surname ณัฐฤทัย (ณัฐฤทัย 
, Natruethai , Natruthai ) , throughout the world, is an extremely rare family name. Much more prevalently, ณัฐฤทัย is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Natruethai, Natrutai, ณัฐฤทัย, Natruthai | Thailand |
Natruetai, Nattaruethai, Nattarutai, Nattaruthai, Nattharuethai, Nattharuthai, Nuttaruetai, and Nuttharuthai