Surname אסו (Aso 
, Assou 
, אסו 
) , around the globe, is a common family name. The last name אסו is habitual in Iraq, where it is quite a common surname, Algeria, and Morocco, where it is quite a rare surname. Not in comparison with a country's population, this name is the most popular in Iraq, Algeria, and Nigeria. Likewise, אסו is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Aso | Nigeria, Morocco, Iraq, India, Algeria |
| Assou | Benin, Nigeria, Morocco, Ethiopia, Algeria |
| אסו | Israel |