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In all the world, Katsuya (カツヤ , Katsuya , Кацуя ) is a rare boy's first name. The given name Katsuya is characteristic of Japan, where it is a rare masculine name, Indonesia, where it is a very rare male name, and the United States, where it is an extremely rare mostly male, but seldom female name. Not in comparison with a country's population, it most frequently occurs in Japan, China, and Indonesia. More prevalently, Katsuya is the last name as well as the forename.
Katsuya is also a name for the fictitious and mythical characters: Katsuya Jonouchi , the character in Yu-Gi-Oh!, Yu-Gi-Oh! Duel Monsters and Katsuya Gouenji , the fictional character from Inazuma Eleven.