Family name Aunier (Aunier 
) , globally, is a very rare last name. The family name Aunier is habitual in France, where it is a very rare surname, and Nicaragua. Very seldom, Aunier is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Aunier | Costa Rica, Brazil, France, Nicaragua |
| jean juste noël antoine aunier FR (b. 1781) |
|