One-Punch Man (Japanese: ワンパンマン, Hepburn: Wanpan Man, stylized OnePunch-Man) ke letlhoko la manga ya superhero e entsoeng ke One e tsoang Japane. E pheta pale ya Saitama, superhero ya ikemetseng ya superhero ya nang le bokgoni ba ho hlola mohatla e mong le e mong ka ho otla ka leoto le le leng, empa o qala ho sitwa ka lebaka la ho sitwa ho fumana ditlhopho. O qala ho batla mehleng e matla, ha a ntse a etsa metsoalle le ba bang ba heroes. One o ngotse webcomic ya pele ya manga ka mathoasong a 2009.