Surname Nao-Nao (Nao-Nao 
) , in all the world, is a very rare cognomen. The family name Nao-Nao is characteristic of South-eastern Asia, particularly Philippines, where it is a very rare surname. Much less frequently, Nao-Nao is the forename as well as the last name. Parts of the name also exists independently as a first name Nao, and a first name Nao.