Lego DC Comics Super Heroes: Justice League – Attack of the Legion of Doom is a 2015 American animated superhero comedy film based on the Lego and DC Comics brands, which was released on August 25, 2015, on Blu-ray, DVD and Digital HD. This is the fourth Lego DC Comics film following Lego Batman: The Movie – DC Super Heroes Unite, Lego DC Comics: Batman Be-Leaguered and Lego DC Comics Super Heroes: Justice League vs. Bizarro League.

Actors from various DC properties reprise their respective roles, including Mark Hamill as the Trickster, Nolan North as Superman, Khary Payton as Cyborg, John DiMaggio as The Joker, Josh Keaton as Green Lantern, Kevin Michael Richardson as Black Manta, Grey Griffin as Wonder Woman and Tom Kenny as The Penguin. The film received generally positive reviews, with praise for the animation, action, and humor, although some criticized the consumerism in the film.