The Black Lantern Corps is a fictional organization of corporeal revenants appearing in comic books published by DC Comics, related to the emotional spectrum. The group is composed of deceased fictional characters in zombie form that seek to eliminate all life from the DC Universe.

The Indigo Tribe is a fictional organization that appears in DC Comics publications, primarily those of the Green Lantern series. In the DC Universe, it is one of the seven major groups known to comprise the Lantern Corps. The group was created by comic book writer Geoff Johns and comic book artist Ethan Van Sciver. It made its debut in the issue #25 of Green Lantern in December 2007.