Throughout the world, Gaiardo (Gaiardo 
) is a very rare epicene first name. The first name Gaiardo is characteristic of Southern Europe, particularly Italy, where it is a very rare gender-neutral name. Much more prevalently, Gaiardo is the last name as well as the forename.
Mr, Joao, Elsa, Elma, Eddi, Erma, Eros, Hian, Irma, Ilda, Jose, Igor, Omar, Odyr, Yves, Maria, Marie, Mario, Marta, Marco, Marli, Iago, Jair, Luan, Luiz, Ms, Al, Ana, Ari, Ary, Guy, Lou, Eva, Ida, Mark, Sara, Alex, Anna, Adao, Paul, Rosa, Ruth, Gina, Gino, Lais, Luis, Mauri, and Mauro