Around the world, Gaiu (Gaiu 
) is a very rare unisex given name. More prevalently, Gaiu is the last name as well as the forename.
Mr, Angelo, Adrian, Bogdan, Ramona, Raluca, Roxana, Daniel, George, Victor, Andrei, Mariana, Mihaela, Andreea, Catalin, Ciprian, Daniela, Nicolae, Eugeniu, Valerie, Alin-Florin, Madalin, Mirela, Monica, Ionut, Dan, Ion, Alin, Anca, Aura, Paul, Dana, Ilie, Maria, Mihai, Alina, Antia, Costi, Pavel, Denia, Diana, Dorin, Joici, Elena, Fanel, Irina, Cristian, and Cristina