Surname Nanya (Nanya 
, 南亚 , ナンヤ 
) , in the world, is quite a rare family name. The family name Nanya is characteristic of Cameroon, where it is a rare surname, Nigeria, and Thailand. In absolute terms, the name is most common in India, Nigeria, and China. More prevalently, Nanya is the forename as well as the last name.