Last name Асо (Aso 
, Asou 
, Асо 
) , all over the world, is a common family name. The surname Асо is habitual in Iraq, where it is quite a common surname, Algeria, and Libya, where it is quite a rare surname. In absolute terms, this name is the most popular in Iraq, Nigeria, and Algeria. Also, Асо is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Aso | Algeria, Egypt, Nigeria, India, Iraq |
| Asou | Japan, Morocco, Algeria, Nigeria, India |
| Асо | Azerbaijan, Kazakhstan, Armenia, Russia, Kyrgyzstan |
| 麻生 | China |