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Around the world, リョウコ (Ryoko , リョウコ , Ryouko ) is quite a rare gender-neutral first name. The first name リョウコ is characteristic of Japan, where it is quite a rare gender-neutral name, Hong Kong, where it is a rare female name, and Singapore. Measured by absolute frequency, this name is the most popular in Japan, Indonesia, and the United States. More prevalently, リョウコ is the last name as well as the forename.
リョウコ is also a name for the fictitious and mythical characters: Ryouko Kusakabe , the fictional character from Date A Live and Ryoko Mendo .