Eternity, existing for an infinite amount of time, or a timeless existence.

Eternals, the Marvel Comics characters created by Jack Kirby.

Eternally Missed, a B-side by the band Muse.

Eternal (band), the British R&B group.

Support ship Eternal, a fictional warship found in the anime Gundam Seed and Gundam Seed Destiny.

Eternal Records, a record label.

Eternal September, a Usenet slang expression for September 1993.

Eternal, a song by Front Line Assembly on the demo tape Total Terror.

Eternal, a song by Evanescence on the album Origin.

Eternal (album), the 1999 album by Swiss band Samael

Albums by The Isley Brothers, The Branford Marsalis Quartet, Vampire Nation, and Butterfly Messiah

Songs by Bone Thugs-n-Harmony, P.O.D., The Isley Brothers, David Banner, Mushroomhead, Wumpscut:, Branford Marsalis, Dancing Fantasy, Into Eternity, Madcap Fool, Ripped, The Rikk Beatty Band, Miguel Gonzalez, Joel Futterman, Butterfly Messiah, Gene Pool, Brother's Keeper, William Joseph, and Jim Lauderdale

Eternal Darkness: Sanity's Requiem, the Nintendo GameCube game.

Eternal Champions, a 2D fighting game developed by Sega, and released in 1993.