Cognomen Halmar (Halmar 
) , around the world, is a rare surname. The cognomen Halmar is characteristic of Nicaragua, where it is a rare surname, Honduras, and Indonesia, where it is a very rare surname. Likewise, Halmar is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Halmar | Indonesia, Nicaragua, Honduras, El Salvador, Colombia |