Cognomen Aunno (Aunno 
) , throughout the world, is a very rare surname. The cognomen Aunno is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname, and Malaysia, where it is an extremely rare surname. Also, Aunno is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Aunno | India, Malaysia, Thailand |