Family name Gerdal (Gerdal 
) , in the world, is an extremely rare surname. The last name Gerdal is characteristic of Latin America and the Caribbean, particularly Brazil, where it is an extremely rare surname. Predominantly, Gerdal is the forename as well as the last name.
Sa, Menezes, Medawar, Candido, Camargo, Calixto, Bernabe, Bonatti, Ribeiro, Ventura, Verner, Fonseca, Mesquita, Santiago, Carvalho, Toyomasu, Ferreira, Oliveira, Marangoni, Rodrigues, Goncalves, Mazzetto, Junior, Garcia, Duarte, Cruz, Lima, Mossa, Moura, Mello, Silva, Souza, Alves, Costa, Cople, Paula, Ramos, Rocha, Gomes, Teles, Filho, Santos, Araujo, Aguiar, Castro, Basque, Signorelli, and Gonçalves