Justice League Dark: Apokolips War is a 2020 American adult animated superhero film produced by Warner Bros. Animation and distributed by Warner Home Video. The film is directed by Matt Peters and Christina Sotta, while Ernie Altbacker and Mairghread Scott wrote the screenplay. It stars an ensemble cast including Rosario Dawson, Jerry O'Connell, Jason O'Mara and Matt Ryan. In the film, members of the Justice League, Justice League Dark, Teen Titans, and Suicide Squad join forces against Darkseid to save Earth.

Based on the comic book storylines "Darkseid War" by Geoff Johns, "Final Crisis" by Grant Morrison, and elements of "Futures End", it is the 40th overall film of the DC Universe Animated Original Movies as well as the fifteenth and final feature film set in the first half of the DC Animated Movie Universe (DCAMU), generally marking the continuity's conclusion. The film was released digitally on May 5, 2020, and in 4K/Blu-ray/DVD on May 19. It received mostly positive reviews from critics and fans alike.