Family name Sinomar (Sinomar 
) , all over the world, is an extremely rare last name. The cognomen Sinomar is characteristic of Latin America and the Caribbean, particularly Brazil, where it is an extremely rare surname. Much more prevalently, Sinomar is the forename as well as the last name.
Cruz, Junior, Vieira, Martins, Moreira, Menezes, Miranda, Santana, Almeida, Andrade, Barbosa, Pereira, Ribeiro, Freitas, Fonseca, Silveira, Carvalho, Teixeira, Nogueira, Ferreira, Oliveira, Rodrigues, Borges, Araujo, Soares, Santos, Rosa, Reis, Dias, Lima, Neto, Silva, Sousa, Souza, Alves, Costa, Goncalves, Brito, Ramos, Rocha, Gomes, Lopes, Jesus, Nunes, Faria, Filho, Morais, Mendes, Paula, and Nascimento