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 | Nigeria, Morocco, Uganda, Philippines, Tanzania |
| ايو | Egypt, Syria, Sudan, Iraq, Saudi Arabia |
| Iue | Nigeria, Spain, India, United States, Myanmar |