Surname ايو (Ayo 
, ايو 
, Iue 
) , in the world, is a common cognomen. The surname ايو is characteristic of Sub-Saharan Africa, particularly Nigeria, where it is quite a common surname, Gabon, and Tanzania. Not in comparison with a country's population, it is commonest in Nigeria, Tanzania, and Philippines. Also, ايو is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ayo | Tanzania, Philippines, Morocco, Nigeria, Uganda |
| ايو | Iraq, Egypt, Sudan, Syria, Saudi Arabia |
| Iue | Myanmar, Spain, United States, India, Nigeria |