Globally, Duday (Duday 
, Дудай 
) is a rare gender-neutral first name. The given name Duday is habitual in Philippines, where it is a very rare gender-neutral name, and India, where it is an extremely rare dominantly male, but infrequently female name. More prevalently, Duday is the last name as well as the forename.
Mr, Yonit, Maryse, Michel, Samuel, Sharon, Steven, Alexis, Cheryl, Carine, Claude, Birgit, Pretty, Diaden, Gideon, Gloria, Noella, Edmond, Harika, Flavie, Martine, Monique, Henri, Márton, Erick, Ellie, Ms, Max, Cã, Mary, Anna, Arne, Asia, Paul, Dudi, Lisa, Jean, Oleg, Yana, Alain, Arnel, Chris, Cicil, Bence, Bruno, David, Donna, Estel, and Suzanne