Tetsuya (てつや, テツヤ) is a common masculine Japanese given name.
Tetsuya can be written using different kanji characters and can mean:
哲也, "philosophy, to be"
鉄也, "iron, to be"
哲哉, "philosophy, alas"
徹也, "devotion, to be"
徹矢, "penetrate, arrow"
鉄弥, "iron, increasingly"
The name can also be written in hiragana or katakana.
Tetsuya (musician) (born 1969), Japanese musician
Tetsuya Chiba (てつや, born 1939), Japanese manga artist
Tetsuya Chikushi (哲也, 1935–2008), Japanese newscaster
Tetsuya Endo (徹哉), Japanese anime director
Tetsuya Enomoto (哲也, born 1983), Japanese football player
Tetsuya Fujii (哲也), a Japanese astronomer
Tetsuya Theodore "Ted" Fujita (哲也, 1920–1998), Japanese severe storms researcher
Tetsuya Harada (哲也, born 1970), Japanese former GP motorcycle racer
Tetsuya Hibino (哲也, born 1974), Japanese professional drifting driver
Tetsuya Ichimura (哲也, born 1930), Japanese photographer
Tetsuya Ishida (徹也, 1973–2005), Japanese painter
Tetsuya Iwanaga (哲哉, born 1970), Japanese voice actor
Tetsuya Kajiwara (drummer) (徹也, born 1963), Japanese drummer
Tetsuya Kakihara (徹也, born 1982), Japanese voice actor
Tetsuya Kiyonari (哲也, born 1961), Japanese professional Go player
Tetsuya Komuro (哲哉, born 1958), Japanese keyboardist, songwriter and music producer
Tetsuya Makita (哲也, born 1984), Japanese actor
Tetsuya Matoyama (哲也, born 1970), Japanese professional baseball catcher
Tetsuya Minagawa (哲也, born 1979), Japanese economist, industrialist and innovation expert
Tetsuya Mizuguchi (哲也, born 1965), Japanese video game designer and producer
Tetsuya Naito (哲也, born 1982), Japanese professional wrestler
Tetsuya Nakashima (哲也, born 1959), Japanese film director
Tetsuya Nomura (哲也, born 1970), Japanese video game director
Tetsuya Ota (哲也, born 1959), Japanese racecar driver
Tetsuya Saruwatari (哲也, born 1958), Japanese manga artist
Tetsuya Shibata (徹也, born 1973), video game music composer
Tetsuya Shimizu (清水 哲也, born 1983), Japanese professional wrestler
Tetsuya Shikawa 鉄也, born a1e96 1), Japanese politician
Tetsuya Shiroo (哲彌, born 1948), Japanese yakuza
Tetsuya Takahashi (哲哉, born 1966), Japanese video game creator
Tetsuya Takeda (鉄矢), Japanese singer and actor
Tetsuya Wakuda (哲也, born 1959), Japanese-born Australian chef
Tetsuya Watari (哲也, born 1941), Japanese stage, film, and television actor
Tetsuya Yanagisawa (テツヤ), Japanese anime director
Tetsuya Yoneda (哲也, born 1938), Japanese professional baseball pitcher
Tetsuya Azuma (鉄也), protagonist of the 1973 anime series Casshan and of the 2004 film Casshern
Tetsuya Kajiwara (Fushigi Yūgi) (哲也), in the manga and anime series Fushigi Yūgi
Tetsuya Kuroko, protagonist of the manga and anime series Kuroko's Basketball
Tetsuya Tsurugi (鉄也), protagonist of manga and anime series Great Mazinger
Tetsuya Sendo, friend of Ritsu Kasanoda in the manga and anime series Ouran High School Host Club
Tetsuya Takahashi, in Haruki Murakami's novel After Dark
Tetsuya Watarigani, recurring character in the anime series Beyblade: Metal Fusion
Tetsuya Yuuki (哲也), in the manga and anime series Ace of Diamond
Tetsuya, Japanese name of Tyson from Pokémon: Advanced Battle
