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Throughout the world, גאון (Gaon , Hilai , גאון ) is quite a rare dominantly feminine, but infrequently masculine forename. The first name גאון is characteristic of South Korea, where it is quite a rare feminine name, Israel, where it is a rare gender-neutral name, and the Democratic Republic of the Congo, where it is a rare male name. Measured by absolute frequency, it is commonest in South Korea, the Democratic Republic of the Congo, and India. Also, גאון is the last name as well as the forename.
גאון is also a name for the fictitious and mythical characters: Gaon , the fictional wolf, Kaiketsu Zorori.