Mass is the quantity of matter in a physical body and a measure of the body's inertia. Mass or Maß may also refer to:

Arts, entertainment, and media

Music

*Mass (music), a choral composition that sets liturgical text to music *Mass (Stravinsky), ''Mass'' (Stravinsky), a composition by Igor Stravinsky *Mass (Bernstein), ''Mass'' (Bernstein), a musical theater work by Leonard Bernstein *Mass (English band), a post-punk band *Mass (Grotus album), ''Mass'' (Grotus album), 1996 *Mass (Alastair Galbraith album), ''Mass'' (Alastair Galbraith album), 2011 *Mass (The Gazette album), ''Mass'' (The Gazette album), 2021 *The Mass (album), ''The Mass'' (album), by musical project Era

Other uses in arts, entertainment, and media

* Mass (2004 film), ''Mass'' (2004 film), Indian Telugu-language film * Mass (2021 film), ''Mass'' (2021 film), American drama film *Mass (novel), ''Mass'' (novel), a 1973 novel by Filipino author F. Sionil José * Mass media, communication channels which can reach huge numbers of people * ''The Masses'', a socialist magazine published in the US from 1911 to 1917

Military

*MASS (decoy system), a naval defence system *M26 Modular Accessory Shotgun System (or MASS), a developmental shotgun for the M16 rifle/M4 carbine family of guns *MASS, List of United States Marine Corps aviation support units#Marine Air Support Squadrons, Marine Air Support Squadrons within the United States Marine Corps

People with the name

*Mass (surname) *Peter Harris (producer), an electronic musician who uses the alias Mass *Mass Sarr, Jr. (born 1973), a Liberian former footballer

Places

*Mass City, Michigan, also known as Mass, an unincorporated community in the United States *Maß (Lauer) (pronounced "mass"), a river of Bavaria, Germany, left tributary of the Lauer *Massachusetts (abbreviated Mass or MA), a U.S. state in New England *Massachusetts Bay (abbreviated Mass Bay), a bay off the U.S. state of the same name

Religion

*Mass (liturgy), an act of worship in some Christian churches *Mass in the Catholic Church, the main act of worship of the Catholic Church *Sunday mass

Society

* Mass Party, a political party in Thailand (2006–2009?) * Mass society, a society based on relations between huge numbers of people, whose prototypical denizen is the "mass man" * Mass politics, politics in the mass society, featuring especially the modern political party

Other uses

*Mass (mass spectrometry), a chemical analysis technique *Autonomous cargo ship, also known as a Maritime Autonomous Surface Ships (MASS) *BrightBus, a former British vehicle body manufacturer and school bus operator that previously traded as MASS Engineering *Maß (pronounced "mass"), a German word describing the amount of beer in a regulation mug, also used for the mug itself *Manab Adhikar Sangram Samiti, a human rights NGO in Assam (India) *Marc and Eva Stern Math and Science School (Stern MASS) *Tumor, or mass, a neoplasm that is enlarged