Globally, Guolo (Guolo 
) is a very rare epicene first name. The first name Guolo is habitual in Southern Europe, particularly Italy, where it is a very rare gender-neutral name. Predominantly, Guolo is the last name as well as the forename.
Mr, Joao, Jean, Juan, Tony, Nair, Eder, Eric, Erni, Eres, Ezio, Vera, Ines, Irma, Maria, Marco, Mauro, Mirko, Mirco, Santa, Soile, Alice, Jose, Luiz, Luis, Luca, Ms, Ana, Nah, Ely, Edy, Emy, Mara, Sara, Siro, Anna, Andre, Kadu, Pier, Raul, Rosa, Rosy, Dave, Dino, Diva, Geni, Gino, Lina, Kele, and Ariel