Family name Iumeng (Iumeng 
, Юменг 
) , in the world, is a very rare surname. The cognomen Iumeng is habitual in Eastern Asia, particularly China, where it is an extremely rare surname. More prevalently, Iumeng is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Iumeng | Thailand, China |
| Юменг | Russia |