Eternity is a term in philosophy. Eternity may also refer to:

Eternity, an organization in the Isaac Asimov novel The End of Eternity

"Eternity" (Angel episode), an episode of the television series Angel

Eternity (film), a film starring Dingdong Dantes and Iza Calzado

"Eternity/The Road to Mandalay", a Robbie Williams song from Sing When You're Winning

Eternity (comics), an anthropomorphic fictional entity representing the Marvel Universe

Eternity (novel), a novel by Greg Bear

Eternity puzzle

Eternity (sf magazine), a science fiction magazine

The lyrics in English for the Elisabeth Andreassen song I evighet

Eternity (magazine), a Christian magazine

Eternity (perfume)

Eternity (graffito) A set of chalked inscriptions by Arthur Stace