Surname ณัฐฐิยา (Nattiya 
, Nutthiya , ณัฐฐิยา ) , in the entire world, is a very rare family name. The cognomen ณัฐฐิยา is habitual in Thailand, where it is a very rare surname, Malaysia, where it is an extremely rare surname, and India. Much more prevalently, ณัฐฐิยา is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Nattiya | Germany, Australia, United States, Thailand, India |
| Nutthiya, ณัฐฐิยา | Thailand |