Void

Void may refer to:

Science, engineering, and technology

 * Void (astronomy), the spaces between galaxy filaments that contain no galaxies
 * Void (composites), a pore that remains unoccupied in a composite material
 * Void, synonym for vacuum, a space containing no matter
 * Void, a bubble within a mechanical part that causes cavitation when it collapses
 * Void, an unwanted air pocket formed during injection moulding
 * VoID or Vocabulary of Interlinked Datasets, an RDF vocabulary to enable the discovery and use of linked data sets
 * Void coefficient, the change in the reactivity of a nuclear reactor when voids form in moderator or coolant fluids
 * Void Linux, a Linux distribution
 * Void ratio, the volume of void-space to solid space in a material
 * Void safety, in object-oriented programming, a guarantee that no object references will have null values
 * Void type, in programming languages, a keyword indicating the absence of data
 * Void set or empty set, the mathematical set with no elements

Characters

 * Void, a malevolent alter ego of superhero Sentry (Robert Reynolds)
 * Void (comics), one of the original team of the Wildcats
 * Void, the main antagonist in the 2000 video game Sonic Shuffle
 * Voids, the villains in the Zbots action-figures franchise
 * Void Termina, Void Soul, and Void, the overarching villain(s) in Kirby Star Allies
 * Void, a member of the God Hand and one of the main villains in Berserk

Films

 * Void (film), a 2013 Lebanese film

Literature

 * A Void, a 1969 French novel written without using the letter e by Georges Perec
 * Void Trilogy, a science-fiction series by Peter F. Hamilton

Music

 * Void (band), a Washington, D.C.-based hardcore punk band
 * Void (Intronaut album), 2006
 * VOID (NaNa album), 1999
 * Void (Vanna album), 2014
 * Void (War of Ages album), 2019
 * VOID (Video Overview in Deceleration), a 2005 DVD by the Flaming Lips
 * ØØ Void, a 2000 album by Sunn O)))
 * Voids (album), a 2017 album by Minus the Bear
 * Void (EP), an EP by Destroy the Runner
 * "Void", a song by Allday from Drinking with My Smoking Friends
 * "Void", a song by Kilo Kish
 * "Void", a song by Lil Nas X from Montero
 * "Void" (song), a song by Melanie Martinez from Portals
 * "Void", a song by the Neighborhood from The Neighbourhood

Other arts, entertainment, and media

 * Void (cards), to have no cards of a particular suit in one's hand during a card game
 * Void (fanzine), a major science-fiction fanzine started in the 1950s
 * Void Gallery, a contemporary art gallery in Derry, Northern Ireland
 * Void Indigo, a comic book series written by Steve Gerber and drawn by Val Mayerik

Religion and philosophy

 * The Void (philosophy)
 * Void (classical element), English for Kū, one of the five elements in Japanese Buddhism
 * Śūnyatā, a Buddhist philosophical concept translated most often as emptiness and sometimes voidness

Other uses

 * Void (law), an action, document or transaction that has no legal effect
 * Voiding, the act of urination
 * Nothing