Cognomen يايا (Yaya 
, Yia 
, يايا 
) , all over the world, is a widespread last name. The cognomen يايا is habitual in Cameroon, where it is a common surname, Gabon, where it is quite a common surname, and Algeria (explore the name in all countries). Not in comparison with a country's population, it is commonest in Nigeria, Cameroon, and India. Likewise, يايا is the forename as well as the last name.