Cognomen ازو (Uzo 
, Azu 
, ازو 
) , across the world, is a common family name. The last name ازو is characteristic of Sub-Saharan Africa, particularly Ghana, where it is quite a common surname, Nigeria, where it is quite a rare surname, and Togo. In absolute terms, it is the most numerous in Nigeria, Ghana, and the United States. Also, ازو is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Uzo | United States, Ghana, Indonesia, Nigeria, Japan |
| Azu | United States, India, Ghana, Guatemala, Nigeria |
| ازو | Iraq, Egypt, Iran |