Cognomen أسو (Aso 
, أسو 
) , in all the world, is a common surname. The cognomen أسو is habitual in Iraq, where it is quite a common surname, Algeria, where it is quite a rare surname, and Libya. Measured by absolute frequency, this name is the most popular in Iraq, Nigeria, and Algeria. Likewise, أسو is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Aso | Iraq, Egypt, India, Nigeria, Algeria |
| أسو | Iraq, Egypt, Sudan, Libya, Syria |