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

Q may also refer to:

People

  • Q, pseudonym of Sir Arthur Quiller-Couch, the Cornish writer
  • Q, pseudonym used by the supposed 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, stage name for Robert Severson (born 1996)
  • Q, nickname for NBA assistant coach Bruce Fraser
  • Q Manivannan, Member of the Scottish Parliament
  • 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
  • Q (drag queen), American contestant on RuPaul's Drag Race season 16
  • Maggie Q (born 1979), American actress
  • Schoolboy Q, rapper
  • Stacey Q, disco singer
  • Brian "Q" Quinn, member of the American comedy troupe The Tenderloins

Arts, entertainment, and media

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, usually referred to as Q, hypothetical source document inferred from shared material in the Gospels of Matthew and Luke
  • Codex Marchalianus, designated by the abbreviation Q, 6th-century Greek manuscript copy of the Septuagint
  • "Q" Is for Quarry, the seventeenth novel in Sue Grafton's Alphabet Mystery series, published in 2002
  • A Voyage Around the Queen, 2024 book by Craig Brown published in the U.S. as Q: A Voyage Around the Queen

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", a 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 Radio, a former Philippine radio network (2019–2023) of Mareco Broadcasting Network and Horizon of the Sun Communications
  • DWBM-FM, its former flagship station
  • 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
  • Q 104.3, a radio station in New York City
  • Canal Q, a Portuguese television channel

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 macOS
  • 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

  • <math>\mathbb{Q}</math> 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

Science

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<sup>−30</sup>
  • Q, quetta-, a metric prefix of 10<sup>30</sup>
  • 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 Arena, Cleveland, Ohio; from the arena's previous name, Quicken Loans Arena

Transportation

  • Q (New York City Subway service)
  • The Q, a nickname for the Chicago, Burlington and Quincy Railroad
  • Q-ship, converted merchant vessels with concealed armament intended to lure and destroy submarines
  • 17px|Q, 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

See also

  • Cue (disambiguation)
  • Kyū, rank, in Japanese martial arts and other Japanese grading systems
  • Que (disambiguation)
  • Cue (disambiguation)
  • QQ (disambiguation)
  • QQQ (disambiguation)
  • QQQQ (disambiguation)
  • Queue (disambiguation)
  • Suzie Q (disambiguation)