《铁人28号》（鉄人28号）是横山光辉1958年出版的同名漫画作品，后来于1959年制作广播剧，1960年后陆续有拍摄真人特摄版、动画及真人版电影的日本机械人科幻作品，动画版则是日本动画史上的首部巨大机械人动画。

其后有多部派生作品：

Gigantor is an American adaptation of the anime version of Tetsujin 28-go, a manga by Mitsuteru Yokoyama released in 1956. It debuted on U.S. television in 1964. As with Speed Racer, the characters' original names were altered and the original series' violence was toned down for American viewers. A new series was produced in Japan in 1980. Later it was shown as The New Adventures of Gigantor, on the Sci Fi Channel from 1993 to 1997.