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Family name Niruttisai (นิรัติศัย , Niruttisai
) , all over the world, is a rare last name. The cognomen Niruttisai is characteristic of Thailand, where it is a rare surname, and the United States, where it is an extremely rare surname. More prevalently, Niruttisai is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| นิรัติศัย | Thailand |
| Niruttisai | United States, Thailand |
Salam, Somnoon, Chanaree, and Pattarasathapornpong