Lux Aeterna may refer to:
As such, it has often been set to music. The following works are settings of it, or have been inspired by it:
- Lux Aeterna (Dave Fitzgerald album) (1997)
- Lux Aeterna (Terje Rypdal album) (2002)
- Lux Aeterna (Ligeti), a 1966 choral work by György Ligeti used in the film 2001: A Space Odyssey
- "Lux Aeterna" (Mansell), the theme song to Requiem for a Dream, written by Clint Mansell and performed by the Kronos Quartet
- "Lux Aeterna", a section of the liturgy from Requiem by Giuseppe Verdi
- Lux Aeterna, a 1972 album by William Sheller
- Lux aeterna, a 2011 work for mixed SATB choir by Robert Paterson
- Lux Aeterna, a 1997 five-movement quasi-Requiem by Morten Lauridsen
- "Lux Aeterna", a 2009 track by Christopher Tin from Calling All Dawns
- "Lux Aeterna", a 2014 song by Two Steps from Hell from Miracles
- "Lux Æterna" (Metallica song), a 2022 single by Metallica from their 2023 album 72 Seasons
- Lux Aeterna for 5 masked musicians, a 1971 avant-garde piece by George Crumb
- Symphony N 5 Lux Aeterna, a 2006 avant-garde piece by Vassil Kazandjiev
- Lux Aeterna for organ, a 1974 work by Joonas Kokkonen
- Lux aeterna, a 1926 symphonic poem for orchestra with viola obligato by Howard Hanson