I Am a Hero (Japanese: アイアムアヒーロー, Hepburn: Ai Amu A Hīrō) is a Japanese zombie manga series written and illustrated by Kengo Hanazawa. It was serialized in Shogakukan's seinen manga magazine Big Comic Spirits from April 2009 to February 2017, with its chapter compiled in twenty-two tankōbon volumes. In North America the manga has been licensed for English language release by Dark Horse Comics.
A live action film adaptation premiered at the Sitges Film Festival in October 2015, before being released commercially in April 2016. There are three spin-off manga, set in the same universe, titled I Am a Hero in Osaka, I Am a Hero in Ibaraki and I Am a Hero in Nagasaki.