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Worldwide, Rizu (Rizu , Ризу ) is quite a rare largely masculine, but infrequently female first name. The given name Rizu is characteristic of United Arab Emirates, where it is a rare boy's name, Nepal, where it is a rare female name, and Kuwait, where it is a rare masculine name. Measured by absolute frequency, it is the most numerous in Southern Asia, particularly India, Bangladesh, and Nepal. Likewise, Rizu is the last name as well as the forename.