In the entire world, Kusé (Ser 
, Que , Kusé 
) is a common gender-neutral forename. The given name Kusé is habitual in San Marino, where it is quite a common masculine name, Macao, where it is quite a common girly name, and the Democratic Republic of the Congo, where it is quite a rare epicene name. In absolute terms, it is commonest in India, the Democratic Republic of the Congo, and Egypt. More prevalently, Kusé is the last name as well as the forename.
Kusé is also a name for the fictitious and mythical characters: Ser Toldo Berardengo , the operatic character in the opera Francesca da Rimini (Zandonai); Ser Mazzeo , the fictional character from Boccaccio's Decameron, The Decameron; Ser Amantio di Nicolao , the operatic character in the opera Gianni Schicchi by Giacomo Puccini; a notary and Ser Matteo del Sarto , the operatic character in the opera Arlecchino by Ferruccio Busoni; master tailor.