Throughout the world, Hiart (Hiart 
) is a very rare unisex forename. The forename Hiart is characteristic of Southern Europe, particularly Spain, where it is a rare gender-neutral name. Likewise, Hiart is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Hiart | Spain, France, Brazil |
|
hiart leitza ES (b. 1974) |
|
| hiart Basque politician, ES (b. 1979) |
|
|
| hiart navarro-imaz researcher |
|