Family name Choomsai Na Ayudhaya (Choomsai Na Ayudhaya 
) , globally, is an extremely rare last name. The last name Choomsai Na Ayudhaya is characteristic of South-eastern Asia, particularly Thailand, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Choomsai Na Ayudhaya | Thailand |