Family name Uiara (Uiara 
) , all over the world, is a very rare last name. The surname Uiara is habitual in Latin America and the Caribbean, particularly Brazil, where it is an extremely rare surname. Much more prevalently, Uiara is the forename as well as the last name.
Melo, Marques, Machado, Moreira, Santana, Almeida, Andrade, Azevedo, Barreto, Barbosa, Batista, Pereira, Ribeiro, Freitas, Medeiros, Carvalho, Teixeira, Ferreira, Oliveira, Conceicao, Rodrigues, Goncalves, Martins, Vieira, Borges, Campos, Cruz, Reis, Dias, Lima, Matos, Silva, Sousa, Souza, Alves, Costa, Fernandes, Ramos, Gomes, Lopes, Jesus, Neves, Nunes, Macedo, Mendes, Santos, Soares, Araujo, Rocha, and Nascimento