Family name Demhart (Demhart 
) , worldwide, is a very rare last name. The family name Demhart is characteristic of Croatia, where it is a rare surname, Hungary, where it is a very rare surname, and the United States, where it is an extremely rare surname. Much less frequently, Demhart is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Demhart | Philippines, United States, Hungary, Croatia |