Throughout the world, Guelson (Guelson 
) is a very rare male first name. The first name Guelson is characteristic of Latin America and the Caribbean, particularly Brazil, where it is a very rare masculine name.
Saar, Harris, Xavier, Martins, Menezes, Saintyl, Almuena, Ribeiro, Demenek, Exantus, Fostine, Mesilien, Simplice, Baptiste, Teixeira, Nazareth, Harfenist, Magalhaes, Channakian, Consuegra, Cerqueira, Rodriguez, Exalon, Gonçalves, Estime, Cedieu, Sena, Aime, Baia, Gama, Lima, Lira, Jean, Silva, Sousa, Souza, Costa, Gomes, Gesse, Louis, Neves, Filho, Wolff, Michel, Mimoso, Santos, Soares, Junior, and Nascimento