Q (disambiguation)

Q, or q, is the seventeenth letter of the English alphabet.

Q may also refer to:

People

 * Q (drag queen)
 * Q, pseudonym of Sir Arthur Quiller-Couch, the Cornish writer
 * Q, pseudonym used by the originator of QAnon, an American far-right conspiracy theory
 * Q, pseudonym of Quentin Elias in his appearances in gay porn site Randy Blue
 * Q, stage name for Qurram Hussain of JoSH
 * Q, stage name for Q Marsden
 * Q, nickname for NBA assistant coach Bruce Fraser
 * Q, or Q Martel, nicknames of Giffard Le Quesne Martel
 * Q, nickname for Joel Quenneville
 * Q, nickname of Qaushiq Mukherjee, an Indian film director
 * Q, nickname of Quincy Jones
 * Q, nickname of American basketball player Quintin Dailey (1961–2010)
 * Q, nickname of former American football player Anquan Boldin
 * Q, main dancer and vocalist of South Korean boy band The Boyz
 * Maggie Q (born 1979), American actress
 * Schoolboy Q, rapper
 * Stacey Q, disco singer
 * Brian "Q" Quinn, member of the American comedy troupe The Tenderloins

Fictional entities

 * Q (James Bond), a character in the James Bond novels and films
 * Q (Star Trek), a character and the name of the character's species
 * Q (Street Fighter), a character from the video game series Street Fighter
 * Q, an amnesiac child from the video-game Zero Time Dilemma
 * Quinton "Q" Brooks, a character from the TV series Moesha
 * Ah Q, the main character in the novella The True Story of Ah Q
 * The Q, a character from the TV series The Lost Islands

Literature

 * Q (magazine), British music magazine
 * Q Awards, yearly music awards given by Q magazine
 * Q (novel), historical novel by Luther Blissett first published in Italian in 1999
 * Q source, also known as Q document, a hypothetical early Gospel writing (Bible)
 * "Q" Is for Quarry, the seventeenth novel in Sue Grafton's "Alphabet mystery" series, published in 2002

Music

 * Q (1970s band), an American disco group
 * SSQ (band), formerly Q, an American synth-pop band
 * Q (album), Japanese language album by Mr. Children, 2000
 * Q, jazz album by Tom Hasslan's Krokofant
 * "Q" (song), by Mental Cube (The Future Sound of London), 1990
 * "Q", a song by AAA, 2006

Networks, stations, and channels

 * Q (TV network), Philippine network previously known as Quality TeleVision (QTV)
 * ARY Qtv, a Pakistani television channel
 * Q Radio, a UK radio station run by Q magazine
 * Q Television Network, an American cable television network
 * Q TV, a UK music channel based on Q magazine
 * Q Channel, former names of BTV, an Indonesian television network

Other titled works

 * Q (1982 film), horror film written and directed by Larry Cohen (Also known as Q – The Winged Serpent)
 * Q (2011 film), French film
 * q (radio show), CBC Radio One show, formerly called Q
 * Q (TV series), Spike Milligan's BBC2 comedy series that ran between 1969 and 1983
 * Q, the production code for the 1965 Doctor Who serial The Space Museum

Business and government

 * Q (dairy), Norwegian dairy brand
 * Q clearance, United States Department of Energy security clearance
 * Q Score, in marketing, way to measure the familiarity of an item
 * Q Theatre, a theatre in London, England
 * Q-telecom, Greek operator
 * Motorola Q, smartphone released in 2006
 * Pentax Q, mirrorless interchangeable lens camera released in 2011
 * Tobin's q, a financial ratio developed by James Tobin

Computing and computer games

 * Amazon Q, AI–powered assistant released in 2023
 * Q (cipher), encryption algorithm
 * Q (emulator), open-source x86 emulator for Mac OS X
 * Q (equational programming language), functional programming language based on term rewriting
 * Q (game engine), 3D middleware from Qube Software
 * Q-learning, AI algorithm
 * Q (number format), fixed-point number format built into certain computer processors
 * Q (programming language from Kx Systems), array processing language
 * Q (software), a computer software package for molecular dynamics simulation
 * Q Sharp (Q#), domain-specific programming language
 * Q, a channel service in QuakeNet's IRC services
 * Panasonic Q, a hybrid video game console between a GameCube and a DVD player, manufactured by Nintendo and Panasonic
 * Q*, a rumored OpenAI project
 * Q Entertainment, developer of Rez HD and the Lumines and Meteos games
 * Q-Games, developer of the Pixel Junk series of PlayStation 3 games

Engineering

 * Q, the standard abbreviation for an electronic transistor, used e.g. in circuit diagrams
 * Q the first moment of area, used in calculating shear stress distributions
 * Q, the reactive power component of apparent power
 * Q Factor (bicycles), the width between where the pedals attach to the cranks
 * Q factor or Q in resonant systems, a measurement of the effect of resistance to oscillation

Linguistics

 * Voiceless uvular stop in the International Phonetic Alphabet
 * Abbreviation for Question

Mathematics

 * $$\mathbb{Q}$$ or Q, set of all rational numbers
 * Q, the Quaternion group
 * Q, Robinson arithmetic, a finitely axiomatized fragment of Peano Arithmetic
 * Q value in statistics, the minimum false discovery rate at which the test may be called significant

Biology and chemistry

 * Q, the symbol for discharge (hydrology)
 * q, an abbreviation for "every" in medicine
 * Q, abbreviation for the amino acid, glutamine
 * Q, abbreviation for quinone
 * q, designation for the long arm of a chromosome
 * Q, reaction quotient
 * Cardiac output (Q), the volume of blood pumped by each ventricle per minute
 * Coenzyme Q, a carrier in electron transport
 * Haplogroup Q (mtDNA), a human mitochondrial DNA (mtDNA) haplogroup
 * Haplogroup Q-M242 (Y-DNA), a Y-chromosomal DNA (Y-DNA) haplogroup
 * Q value (nuclear science), the differences of energies of the parent nuclides to the daughter nuclides

Physics and astronomy

 * Q or q, dynamic pressure
 * Max q
 * Q, electric charge
 * q, elementary charge
 * Q, Fusion energy gain factor
 * Q, heat
 * q, momentum transfer
 * Q, quasar
 * q, quecto-, a metric prefix of 10−30
 * Q, quetta-, a metric prefix of 1030
 * Q, Toomre's Stability Criterion
 * Q, volumetric flow rate
 * q, quark

Sports

 * Great Southern Bank Arena, formerly JQH Arena, a nickname for the arena on the campus of Missouri State University
 * Q (San Jose Earthquakes mascot), furry blue mascot of the Major League Soccer team San Jose Earthquakes
 * San Diego Stadium, later Qualcomm Stadium, a nickname for a stadium in San Diego, California
 * Quebec Major Junior Hockey League, often referred to as "The Q"
 * Q, a nickname for Rocket Mortgage FieldHouse, Cleveland, Ohio; from the arena's previous name, Quicken Loans Arena

Transportation

 * Q (New York City Subway service)
 * Q-ship, converted merchant vessels with concealed armament intended to lure and destroy submarines
 * JRW kinki-Q.svg, the official West Japan Railway Company service symbol for the Kansai Line and Yamatoji Line.

Other uses

 * Q Society of Australia, right-wing, anti-Islamic political society
 * Q, a nickname for Chuluaqui-Quodoushka, a series of New Age sexual meditation exercises developed by Harley Reagan
 * Quintals, an archaic method of measuring crop yield, was often abbreviated as q
 * Quarter, as in "Q1", "Q2", "Q3" and "Q4", a three-month period in a calendar year
 * Q. texture, a Taiwanese term describing the ideal texture of many foods
 * Initiative Q, a new payment network and digital currency devised by Saar Wilf
 * Quebec, the military time zone code for UTC−04:00
 * Sky Q, a subscription-based television and entertainment service
 * The Q (nightclub), an LGBT nightclub in New York City