Family name Mengly (Mengly 
) , in the entire world, is a very rare last name. The last name Mengly is habitual in Cambodia, where it is a rare surname, Venezuela, where it is an extremely rare surname, and Mexico. Likewise, Mengly is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Mengly | Cambodia, Thailand, United States, Canada, France |