Surname Aoii (Aoii 
) , globally, is a very rare cognomen. The last name Aoii is characteristic of Malaysia, where it is a very rare surname, Nigeria, where it is an extremely rare surname, and Thailand. Also, Aoii is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Aoii | Canada, Malaysia, Nigeria, United States, Thailand |