Mob or MOB may refer to:

Behavioral phenomena

Crowd Generally speaking, a crowd is defined as a group of people that have gathered for a common purpose or intent such as at a demonstration, a sports event, or during looting (this is known as an acting crowd), or may simply be made up of many ...

Smart mob A smart mob is a group whose coordination and communication abilities have been empowered by digital communication technologies. Smart mobs are particularly known for their ability to mobilize quickly. The concept was introduced by Howard Rhei ...

, a temporary self-structuring social organization, coordinated through telecommunication

Crime and law enforcement

American Mafia The American Mafia, commonly referred to in North America as the Italian American Mafia, the Mafia, or the Mob, is a highly organized Italian American criminal society and organized crime group. The organization is often referred to by its memb ...

, also known as the Mob *

Irish Mob The Irish Mob (also known as the Irish mafia or Irish organized crime) is a collective of organized crime syndicates composed of ethnic Irish members which operate primarily in Ireland, the United States, Canada and Australia, and have been in ...

, a US criminal syndicate * A mob, in

organized crime Organized crime (or organised crime) is a category of transnational, national, or local groupings of highly centralized enterprises run by criminals to engage in illegal activity, most commonly for profit. While organized crime is generally th ...

* MOB, Member of

Bloods The Bloods are a primarily African-American street gang founded in Los Angeles, California. The gang is widely known for its rivalry with the Crips. It is identified by the red color worn by its members and by particular gang symbols, includ ...

, a member of the Bloods street gang * A group of

vigilante Vigilantism () is the act of preventing, investigating and punishing perceived offenses and crimes without legal authority. A vigilante (from Spanish, Italian and Portuguese “vigilante”, which means "sentinel" or "watcher") is a person who ...

s * Other criminal organizations sometimes referred to as a "mob" include: **

Jewish mob Jewish-American organized crime initially emerged within the American Jewish community during the late 19th and early 20th centuries. It has been referred to variously in media and popular culture as the Jewish Mob, Jewish Mafia, Kosher Mob, K ...

Polish mob Polish-American organized crime has existed in the United States throughout the 20th and 21st centuries. Although not as well known as Italian, Irish, Russian mafias, the Polish Mob has a presence in many urban Polish American communities. Prohib ...

** Japanese mob ** Russian mob **

Greek Mob (disambiguation) The Greek Mob may refer to various ethnic Greek criminal organizations, including: * The Greek mafia, various loosely interconnected crime groups based primarily in Greece (and sometimes including Greek-American organized crime, as listed below) * T ...

Black Mafia The Black Mafia, also known as the Philadelphia Black Mafia (PBM), Black Muslim Mafia and Muslim Mob, was a Philadelphia-based African-American organized crime syndicate. The organization began as a small criminal collective, known for holdin ...

or Muslim Mob ** State Line Mob ** Armenian Mob **

Albanian mafia Albanian mafia or Albanian organized crime ( sq, Mafia Shqiptare) are the general terms used for criminal organizations based in Albania or composed of ethnic Albanians. Albanian organized crime is active in Europe, North America, South America ...

or Albanian Mob ** Serbian mafia or Serbian Mob ** Romanian mafia or Romanian Mob ** Bulgarian mafia or Bulgarian Mob

Other uses

* Mob, a family group, clan group or wider Aboriginal community group in

Australian Aboriginal English Australian Aboriginal English (AAE or AbE) is a dialect of English used by a large section of the Indigenous Australian (Aboriginal Australian and Torres Strait Islander) population. It is made up of a number of varieties which developed differ ...

* Mob, collective noun for a group of macropods * Mob (slamball team), a SlamBall team based in Chicago *

Mob (video games) A mob, short for mobile or mobile object, is a computer-controlled non-player character (NPC) in a video game such as an MMORPG or MUD. Depending on context, every and any such characters in a game may be considered to be a "mob", or usage of t ...

, a term for non-player characters * Shigeo Kageyama, nicknamed "Mob", protagonist of the manga and anime ''Mob Psycho 100'' * Mob as in a team of 100 contestants playing against a single contestant in a game show ''

Eén tegen 100 ''Eén tegen 100'' (''1 vs. 100'') is a Dutch game show that has been airing since 3 September 2000 on various channels with Caroline Tensen as host. The game pits a single contestant against 100 other people for a chance to win a larger cash ...

'' (also known as '' 1 vs. 100'')

As an abbreviation

Transportation

Man overboard "Man overboard!" is an exclamation given aboard a vessel to indicate that a member of the crew or a passenger has fallen off of the ship into the water and is in need of immediate rescue. Whoever sees the person's fall is to shout, "Man overboa ...

, a person who has fallen off a boat or ship and is in need of rescue *

Mobile Regional Airport Mobile Regional Airport is a public/military airport west of Mobile, in Mobile County, Alabama, United States. The airport is owned and operated by the Mobile Airport Authority, a self-funded entity that receives no local tax dollars. The N ...

(IATA airport code), located in Mobile, Alabama * Montreux-Oberland Bernois, Swiss narrow gauge railway (1000mm) * ''Motos Operacionais de Bombeiros'', motorcycles used as ambulances in Brazil

Others

* Magyar Olimpiai Bizottság, National Olympic Committee of Hungary * Main Operating Base, an overseas, permanently manned, well protected military base *

Marching Owl Band The Marching Owl Band (aka The MOB or the Blues Band of South Main) is the Rice University "marching band" in the sense that it is the official ensemble that performs during football games, some basketball games, parades, and other public events. H ...

, the Rice University "marching band" * Mobile offshore base, a concept for supporting military operations where conventional land bases are not available *

MobileCoin MobileCoin is a peer-to-peer cryptocurrency developed by MobileCoin Inc., which was founded in 2017 by Josh Goldbard and Shane Glynn. Technology overview MobileCoin claims to focus on transactional anonymity (fungibility), ease of use, tran ...