Family name Demetar (Demetar 
) , in the entire world, is an extremely rare cognomen. The last name Demetar is characteristic of Southern Europe, particularly Croatia, where it is a rare surname. Likewise, Demetar is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Demetar | India, United States, Croatia |
|
dimitrija demetar Croatian writer, HR (b. 1811) |
|