Cognomen Herwena (Herwena 
) , in the entire world, is an extremely rare family name. The surname Herwena is habitual in South-eastern Asia, particularly Malaysia, where it is a very rare surname. More prevalently, Herwena is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Herwena | United States, Malaysia, Philippines |