Surname Inmuangthai (Inmuangthai 
) , around the world, is a very rare family name. The last name Inmuangthai is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Inmuangthai | Thailand |
Sudawan, Anothai, Ranathwarome, Miss Anothai, and Suphajittra