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 | Ethiopia, Sudan, Myanmar, Nigeria, France |
| استير | Iran, Sudan, Syria, Egypt, Iraq |
| Astier | Germany, Ethiopia, Philippines, United States, France |