Cognomen Ainoã (Ainoã 
) , throughout the world, is an extremely rare family name. The surname Ainoã is characteristic of Latin America and the Caribbean, particularly Brazil, where it is an extremely rare surname. More prevalently, Ainoã is the forename as well as the last name.
Cruz, Menezes, Alencar, Cardoso, Batista, Pereira, Ribeiro, Naitzel, Martins, Ventura, Carvalho, Claudino, Figueira, Oliveira, Bombonate, Rodrigues, Fernandes, Santtana, Xavier, Vieira, Torres, Reis, Lima, Lira, Silva, Souza, Alves, Rippi, Gomes, Lopes, Nunes, Elias, Frank, Macedo, Santos, Soares, Castro, Cabral, Pitangueira, and Nascimento