means "iron man" in Japanese. It may refer to:
People
Kenta Kobashi (born 1967), a Japanese retired professional wrestler Andy Hug (1964–2000), a Swiss muay thai, kyokushinkai and K-1 fighter Terao Tsunefumi (1963 - 2023), a Japanese professional sumo wrestler
Television
Tetsujin Tiger Seven, a 1973 television series produced by P Productions Uchuu Tetsujin Kyodain, a 1976 television series created by Shotaro Ishinomori and Toei Company Daitetsujin 17, a 1977 television series created by Shotaro Ishinomori and Toei Company Iron Chef (Ryori no Tetsujin), a 1999 cooking show created by Fuji Television
Video gaming Iron Angel of the Apocalypse, a 1994 video game released as Tetsujin in Japan Tetsujin (Tekken), a fictional character in the Tekken video game series PC-FX, a video game console from NEC based on 32-bit "Tetsujin" architecture
Other uses
Tetsujin 28-go, a 1956 comic book written and illustrated by Mitsuteru Yokoyama "Tetsujin", a track by Juno Reactor and Don Davis for The Matrix Revolutions, available on its soundtrack album
See also Tatsujin, a 1988 video game