Last name استير (Aster 
, استير 
, Astier 
) , in all the world, is a widespread surname. The family name استير is characteristic of Ethiopia, where it is a common surname, Reunion, where it is quite a common surname, and France. Measured by absolute frequency, it most frequently occurs in Ethiopia, France, and Nigeria. Very seldom, استير is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Aster | Sudan, Ethiopia, France, Myanmar, Nigeria |
| استير | Iran, Sudan, Syria, Iraq, Egypt |
| Astier | Philippines, Ethiopia, France, United States, Germany |