Around the world, Tainna (Tainna 
) is a rare girly forename. The forename Tainna is characteristic of Brazil, where it is a rare girly name, and Indonesia, where it is a very rare girly name. Much less frequently, Tainna is the last name as well as the forename.
Mota, Barros, Borges, Garcia, Nazare, Vianna, Moreira, Miranda, Santana, Almeida, Barbosa, Batista, Bezerra, Pereira, Rosario, Ribeiro, Queiroz, Medeiros, Silveira, Carvalho, Ferreira, Oliveira, Ataide, Amorim, Amaral, Araujo, Cruz, Reis, Dias, Lima, Silva, Sousa, Souza, Alves, Assis, Costa, Rodrigues, Cunha, Brito, Paiva, Pires, Rocha, Gomes, Lopes, Wells, Morais, Moraes, Santos, Braga, and Nascimento