In the world, Duica (Duica 
) is a rare unisex forename. The first name Duica is characteristic of Eastern Europe, particularly Romania, where it is a rare epicene name. More frequently, Duica is the last name as well as the forename.
Mr, Lidia, Luiza, Jorge, Jesus, Elena, Ibeth, Ionut, Ioana, Marian, Marina, Marius, Monica, Mirela, Mircea, Silvia, Stefan, Andrea, Andres, Andrei, Arturo, Adrian, Laura, Diana, David, Romeo, Ms, Dan, Lia, Alex, Alin, Aida, Rita, Dana, Gaby, Gili, Carlos, Luis, Juan, Ibon, Oana, Maria, Marin, Mihai, Sonia, Alina, Adina, Kelly, Jose, and Carmen