Mighty Atom may refer to:
People
Sports
Jimmy Wilde, a Welsh boxer
Sydney Wooderson, an English athlete
Joe Greenstein, a strongman
Barbara Buttrick, an English female boxer
Other fields
Mildred Albert, an American fashion show producer and fashion personality
Boy Bruce, the Mighty Atom, an early stage name of the British entertainer Bruce Forsyth Albert Power (priest), Irish priest, academic and author
Film and television
"The Mighty Atom" (Thunderbirds), the 14th episode of the first season of the Supermarionation television series Thunderbirds Mighty Atom (TV series), a 1959 Japanese Tokusatsu live action TV show The Mighty Atom, a 1958 animated film featuring Reddy Kilowatt
Other uses
Mighty Atom (1988 video game), published by Konami
Mighty Atom (1994 video game), published by Banpresto
Mighty Atom, the original Japanese name for the manga comic series Astro Boy created by Osamu Tezuka Mighty Atom Records, a Welsh-based record label The Mighty Atom, a novel by Marie Corelli