Surname Aiadnai (Aiadnai 
) , all around the world, is a very rare last name. The family name Aiadnai is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Aiadnai | Thailand |
Sirsda, Nittaya, Wichuda, and Damrongsak