Across the world, Guertas (Guertas 
) is an extremely rare unknown gender given name. Much more prevalently, Guertas is the last name as well as the forename.
Mr, Dirceu, Eunice, Egidio, Felipe, Mariana, Antonio, Anselmo, Adjalma, Rodrigo, Daniel, Gustavo, Eduardo, Vanessa, Orlando, Mauricio, Catarina, Reinaldo, Gilberto, Leonardo, Fernanda, Jessica, Bianca, Cleuza, Adelia, Ana, Ida, Rene, Fany, Maria, Marco, Marli, Saulo, Sueli, Paulo, Renan, Diego, Dulce, Lucas, Tania, Elton, Edson, Vitor, Fabio, Melina, Sandra, Chrystian, and Francisco