Cognomen Ainom (Ainom 
) , in the world, is a rare family name. The cognomen Ainom is characteristic of Ethiopia, where it is a rare surname, Malaysia, where it is an extremely rare surname, and the United States. Very seldom, Ainom is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ainom | Philippines, Malaysia, India, Ethiopia, United States |