Last name Romun (罗门 
, Romun 
) , worldwide, is a rare surname. The family name Romun is habitual in Bangladesh, where it is a rare surname, Malaysia, where it is a very rare surname, and China, where it is an extremely rare surname. Likewise, Romun is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| 罗门 | China |
| Romun | Bangladesh, Malaysia, India, United States, China |