Cognomen Abayo (Abayo 
) , in all the world, is quite a rare surname. The surname Abayo is characteristic of Kenya, where it is quite a rare surname, Tanzania, where it is a rare surname, and Bolivia. Measured by absolute frequency, the name is most common in Sub-Saharan Africa, particularly Nigeria, Kenya, and Tanzania. Likewise, Abayo is the forename as well as the last name.