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Throughout the world, Dunno (Dunno , دونو) is a rare unisex first name. The given name Dunno is habitual in Southern Asia, particularly India, where it is a very rare dominantly feminine, but uncommonly masculine name. Likewise, Dunno is the last name as well as the forename.
Dunno is also a name for the fictitious and mythical characters: Dunno , the fictional character in Nikolay Nosov's works, Незнайка на Луне.