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Worldwide, ルフ (Ruf , Rouff , ルフ ) is a rare epicene first name. The first name ルフ is habitual in the Democratic Republic of the Congo, where it is a rare gender-neutral name, Saudi Arabia, and Switzerland, where it is a rare masculine name. Not in comparison with a country's population, this name is the most popular in the Democratic Republic of the Congo, India, and Nigeria. More prevalently, ルフ is the last name as well as the forename.