Darkseid is a fictional supervillain appearing in American comic books published by DC Comics. Created by writer-artist Jack Kirby, the character made a cameo appearance in Superman's Pal Jimmy Olsen #134 (November 1970) before officially debuting in Forever People #1 (February 1971). One of the most powerful beings in the DC Universe, Darkseid serves as a staple Superman villain and is considered the archenemy of the Justice League.

As the tyrannical ruler of the planet Apokolips, Darkseid's ultimate goal is to obtain the Anti-Life Equation to eliminate all free will in sentient beings and remake the universe in his own image. He is the father of Orion, Kalibak, Grayven, and Grail. Darkseid was ranked number 6 on IGN's top 100 comic book villains of all time and number 23 on Wizard's 100 greatest villains of all time.

The character has been substantially adapted into various forms of media, most notably being voiced by Frank Welker in Super Friends: The Legendary Super Powers Show and The Super Powers Team: Galactic Guardians, by Michael Ironside in the DC animated universe, and by Andre Braugher in Superman/Batman: Apocalypse. After being referenced multiple times in the DC Extended Universe, Darkseid will make his live-action debut in the film New Gods.