Doomsday is the name of a fictional character in the , a supervillain best known for fighting and killing Superman in the Death of Superman storyline in 1993.

Doomsday is an upcoming science fiction film written and directed by Neil Marshall. The film stars Rhona Mitra and Bob Hoskins. A release date has yet to be announced.

Doomsday is an episode in the British science fiction television series Doctor Who. It was first broadcast on 8 July 2006 and is the second part of a two-part story. The first part, Army of Ghosts, was broadcast on 1 July.

Doomsday is a 2-part episode of Mighty Morphin Power Rangers.

"Doomsday" is episode three of the first season of the television series Fantastic Four.