Surname Aonnum (Aonnum 
) , around the world, is a very rare cognomen. The family name Aonnum is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Aonnum | Thailand |
Narat, Anurak, Oranuch, Narinee, and Vongsakorn