Last name Maercio (Maercio 
) , in all the world, is an extremely rare family name. The last name Maercio is habitual in Latin America and the Caribbean, particularly Brazil, where it is an extremely rare surname. Predominantly, Maercio is the forename as well as the last name.
Melo, Junior, Vieira, Martins, Moreira, Menezes, Almeida, Andrade, Cardoso, Barbosa, Batista, Bezerra, Pereira, Ribeiro, Freitas, Siqueira, Carvalho, Teixeira, Ferreira, Oliveira, Rodrigues, Goncalves, Duarte, Araujo, Soares, Santos, Cruz, Reis, Dias, Lima, Neto, Silva, Sousa, Souza, Alves, Abreu, Fernandes, Costa, Ramos, Gomes, Leite, Lopes, Neves, Nunes, Filho, Morais, Moraes, Mendes, Cunha, and Nascimento