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Throughout the world, Weisz (Weiss , Weisz , ワイズ ) is a rare unisex forename. The given name Weisz is habitual in Cameroon, where it is a rare boy's name, Hungary, and Israel, where it is a rare gender-neutral name. Measured by absolute frequency, this name is the most popular in China, Cameroon, and the United States. Much more prevalently, Weisz is the last name as well as the forename.
Weisz is also a name for the fictitious and mythical characters: Weiss Schnee , the title character of RWBY and Weiss the Immaculate .