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In the world, Rideau (Rido , Ridel , Ridil ) is a common primarily male, but scarcely feminine first name. The first name Rideau is characteristic of the Democratic Republic of the Congo, where it is quite a rare predominantly masculine, but very seldom female name, Indonesia, and Cuba, where it is quite a rare boy's name. Not in comparison with a country's population, the name is most common in Indonesia, the Democratic Republic of the Congo, and Philippines. Very seldom, Rideau is the last name as well as the forename.
Rideau is also a name for the fictitious and mythical characters: Rido Kuran , the fictional character from Vampire Knight.