Family name Ianace (Ianace 
) , worldwide, is a very rare surname. The family name Ianace is habitual in New Zealand, where it is a very rare surname, the United States, where it is an extremely rare surname, and Brazil. Much less frequently, Ianace is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ianace | New Zealand, Brazil, United States |