Surname Juao (Juao 
) , all around the world, is an extremely rare last name. The surname Juao is habitual in Latin America and the Caribbean, particularly Brazil, where it is an extremely rare surname. Predominantly, Juao is the forename as well as the last name.
Pra, Mendes, Santos, Araujo, Carlos, Vieira, Franca, Zorzan, Marques, Machado, Manoel, Almeida, Pereira, Ribeiro, D'Souza, França, Fonseca, Tamanaga, Ferreira, Oliveira, Conceicao, Antunes, Filho, Vitor, Nunes, Qua, Maia, Raup, Rosa, Dias, Lima, Juse, Neto, Vera, Flor, Marco, Silva, Souza, Sodre, Alves, Costa, Paulo, Pedro, Pinto, Gomes, Lopes, Fernandes, and Mascarenhas