The ninth season of The Walking Dead, an American post-apocalyptic horror television series on AMC premiered on October 7, 2018, and concluded on March 31, 2019, consisting of 16 episodes. Developed for television by Frank Darabont, the series is based on the eponymous series of comic books by Robert Kirkman, Tony Moore, and Charlie Adlard. The executive producers are Kirkman, David Alpert, Scott M. Gimple, Angela Kang, Greg Nicotero, Tom Luse, Denise Huth, and Gale Anne Hurd, with Kang taking over the role of showrunner from Gimple after his promotion to chief content officer for the franchise.

The Walking Dead is an American post-apocalyptic comic book series created by writer Robert Kirkman and artist Tony Moore – who was the artist on the first six issues and cover artist for the first twenty-four – with art on the remainder of the series by Charlie Adlard. Beginning in 2003 and published by Image Comics, the series ran for 193 issues, with Kirkman unexpectedly ending the series in 2019. Apart from a few specials, the comic was published primarily in black and white. It began publishing colorized versions issue by issue, colored by Dave McCaig, starting in October 2020.