Around the world, Cuis (Cuis 
) is an extremely rare boy's forename. Much more frequently, Cuis is the last name as well as the forename.
Mar, Tessa, Norma, Marcos, Monica, Silvia, Sergio, Alesia, Anlook, Atilio, Raquel, Robert, Renato, Lorena, Johnny, Jessie, Teresa, Nathan, Nestor, Haydee, Hector, Victor, Jumar, Julio, Jessa, Jorge, Ana, Lia, Mata, Aida, Raul, Rony, Rene, Gary, Goyo, Gina, Imelda, Lian, Nora, Elsa, Hugo, Irma, Mario, Amber, Pedro, Rifki, Ruben, Lidia, Juan, and Mariana