Year zero is the year before 1 AD used in astronomical calculations.

Year Zero may also refer to:

Music Year Zero (album), a 2007 album by Nine Inch Nails Year Zero (game), an alternate reality game based on the album Year Zero Remixed, a remix album by Nine Inch Nails "Year Zero" (song) by Ghost Year Zero, a 2004 album by Slam (band) Year Zero, a 1996 album by Buck 65 Year Zero, a 2002 album by Galahad (band) Year Zero, a 1997 album by 18 Wheeler (band) Year Zero - the original soundtrack, a 2012 album by Black Mountain (band) "Year Zero", a song by Momus for his 2016 album Scobberlotchers "Year Zero", a song by Thirty Seconds to Mars "Year Zero", a song by Billy Woods and Kenny Segal for their 2023 album Maps

Literature Year Zero (Reid novel), a 2012 science fiction novel by Robert Reid Year Zero, a 1995 book of poetry by Brian Henderson (poet) Year Zero, a 2002 novel by Jeff Long (writer) Year Zero: A History of 1945, a 2013 nonfiction book by Ian Buruma

Entertainment Germany, Year Zero, a 1948 Italian film directed by Roberto Rossellini Panic in Year Zero!, a 1962 American film directed by Ray Milland Year Zero: The Silent Death of Cambodia, a 1979 British television documentary Tirana Year Zero, a 2002 Albanian film Year Zero (Bernice Summerfield), a Doctor Who audio drama "Year Zero" (Gotham), an episode of Gotham Année Zéro (English: Year Zero), a French-Belgian television crime drama

Other uses Year Zero (political notion), the dating of the takeover of Cambodia by the Khmer Rouge Stunde Null, a reference to the first year in post-war Germany (1946) The first portion of the Vault 7 documents made public by WikiLeaks in March 2017 are referred to as "Year Zero"

See also Year One (disambiguation)