Cognomen Aintrom (Aintrom 
) , all around the world, is a very rare surname. The surname Aintrom is characteristic of South-eastern Asia, particularly Thailand, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Aintrom | Thailand |
Phairin, Thaksin, Nittaya, Supawadee, and Thawatchai