In the world, អ៊ុ (អ៊ុ 
) is a very rare unisex first name. The first name អ៊ុ is habitual in South-eastern Asia, particularly Cambodia, where it is a rare epicene name. Also, អ៊ុ is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| អ៊ុ | Cambodia |