Epoch, also known as The Lord of Time is a comic book fictional character published by DC Comics. He first appeared in Justice League of America #10 (March 1962) and was created by writer Gardner Fox and artist Mike Sekowsky.

Epoch is a time traveler who gained his power from the year 1 billion AD and began his career capturing criminals in a dimension similar to the Phantom Zone known as the Timepoint. He then traveled to the past and became a foe of the Justice League. Epoch seemingly died in the JLA/WildC.A.T.s crossover.