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Globally, リョウ (Ryo , リョウ , Ryou ) is a common primarily masculine, but very seldom feminine first name. The forename リョウ is characteristic of Macao, where it is quite a rare masculine name, Indonesia, where it is quite a rare predominantly boy's, but scarcely feminine name, and Japan. In absolute terms, it is the most numerous in Indonesia, Japan, and China. More frequently, リョウ is the last name as well as the forename.
リョウ is also a popular name for the fictitious and mythical characters: Trainer , the fictional character from Uma Musume Pretty Derby anime; Ryo Sakazaki , the fictional character from Art of Fighting and The King of Fighters, The King of Fighters XIII; Ryo Saeba , the fictional character from City Hunter, City Hunter: Million Dollar Conspiracy; Ryo Bakura , the character in Yu-Gi-Oh, Yu-Gi-Oh! and Ryo Marufuji , the fictional character from Yu-Gi-Oh! GX, and in many other works.