Cognomen Simeun (Simeun 
) , in all the world, is a rare surname. The family name Simeun is habitual in South Korea, where it is a rare surname, Nigeria, where it is an extremely rare surname, and the United States. Likewise, Simeun is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Simeun | South Korea, Serbia, Croatia, Nigeria, India |