Family name ម៉ូន្នី (ម៉ូន្នី 
) , all over the world, is an extremely rare last name. The cognomen ម៉ូន្នី is characteristic of South-eastern Asia, particularly Cambodia, where it is a very rare surname. More prevalently, ម៉ូន្នី is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| ម៉ូន្នី | Cambodia |