Cognomen Dubiao (Dubiao 
) , worldwide, is a rare family name. The surname Dubiao is habitual in Philippines, where it is a rare surname, and Venezuela, where it is a very rare surname. Much less frequently, Dubiao is the forename as well as the last name.
Lito, Ricardo, Lourdes, Jeffrey, Emyrose, Isagani, Percival, Reynaldo, Ronaldo, Rudelita, Hercylyn, Allan Paolo, Priscilla, Prudencia, Rosemarie, Francisco, Bernadette, Jennylyn, Rosanna, Rosalyn, Cecilia, Ancel, Arian, Garry, Edisa, Melita, Arnold, Acelyn, Rodora, Romina, Darmis, Editha, Isidro, Marilyn, Melanie, Minerva, Antonio, Charlie, Jolly Mary, and Maria Shellanie