| Ambassador Atom | |
| Ja Kanji: | アトム大使 |
| Ja Romaji: | Atomu Taishi |
| Genre: | Adventure, science fiction, humor |
| Type: | Manga |
| Author: | Osamu Tezuka |
| Magazine: | Shōnen |
| First: | April 1951 |
| Last: | March 1952 |
is a manga short series written by Osamu Tezuka. It was originally serialized in Kobunsha's Shōnen magazine from 1951 to 1952.[1] The series is mostly noted for introducing the character Astro Boy.[2] The series would be released as Chapter 0 in the original Astro Boy tankōbon volumes published by Kodansha.