Around the globe, Guieu (Guieu 
) is an extremely rare unknown gender first name. Much more frequently, Guieu is the last name as well as the forename.
Mr, Cindy, Kevin, Paolo, Regis, Denis, David, Diane, Lydie, Julie, Teddy, Marine, Magali, Maxime, Michel, Mylene, Sandra, Samuel, Silvia, Simone, Susana, Sophie, Annie, Andre, Alain, Serge, Ms, Sã, Luc, Anne, Caco, Rene, Gugu, Lucy, Joel, Jean, Alicia, Tony, Eric, Fred, Wini, Yves, Maria, Marie, Maeva, Micol, Sacha, Simon, Nans, and Amalia