Rose Kazuya Shibuya (一也), a protagonist in the anime series Ghost Hunt Kazuya Shiranami (カズヤ), the protagonist of Galaxy Angel II: Zettai Ryouiki no Tobira Kazuya Tayama (和哉), supporting character in Hyōka Kazuya Uesugi (和也), central in the anime and manga series Touch See also 7353 Kazuya, a main-belt asteroid Japanese masculine given names