Cognomen Tuany (Tuany 
) , across the world, is a very rare family name. The last name Tuany is characteristic of Australia, where it is a very rare surname, Brazil, where it is an extremely rare surname, and Mexico. In absolute terms, this name is the most popular in Brazil, Australia, and the United States. Much more prevalently, Tuany is the forename as well as the last name.
Melo, Martins, Marques, Machado, Moreira, Miranda, Santana, Almeida, Andrade, Cardoso, Barbosa, Pereira, Ribeiro, Freitas, Silveira, Carvalho, Cristina, Nogueira, Ferreira, Oliveira, Rodrigues, Goncalves, Vieira, Borges, Barros, Castro, Cruz, Rosa, Reis, Dias, Lima, Moura, Silva, Sousa, Souza, Alves, Fernandes, Costa, Rocha, Gomes, Lopes, Jesus, Morais, Moraes, Mendes, Santos, Soares, Araujo, Brito, and Nascimento