Q, or q, is the seventeenth letter of the English alphabet.
Q may also refer to:
Arts, entertainment, and media Fictional characters 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 Q: A Voyage Around the Queen, the US title of a 2024 book by Craig Brown about Queen Elizabeth II Sir Arthur Quiller-Couch, a Cornish writer, known by the pseudonym "Q"
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, 2019 jazz album by Tom Hasslan, Krokofant, Ståle Storløkken, and Ingebrigt Håker Q, 2004 album by poire_z "Q", a song by The Future Sound of London under the stage name Mental Cube, 1990 "Q", a song by AAA, 2006
Movies, television, radio, and theater
Films and series Q (1982 film), horror film written and directed by Larry Cohen; also known as Q – The Winged Serpent Q (2011 film), French erotic drama film; also known as Desire q (radio show), CBC Radio One show, formerly called Q Q... (TV series), Spike Milligan's BBC2 comedy series that ran between 1969 and 1982 The Space Museum, a 1965 Doctor Who serial (production code "Q")
Networks, stations, and channels
Q (Philippine TV 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 Sky Q, a subscription-based television and entertainment service The Q 90.1 WYQQ, a radio station in central Massachusetts The Q 99.7 WLCQ-LP, a radio station in western Massachusetts 99.9 The Q WQRC, a radio station serving Cape Cod, Massachusetts
Other uses in film and theatre Q! Film Festival, Jakarta, Indonesia Q Theatre, a theatre in London, England
Video games Q (game engine), 3D middleware from Qube Software 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 Entertainment, developer of Rez HD and the Lumines and Meteos games Q-Games, developer of the Pixel Junk series of PlayStation 3 games
Other uses in arts, entertainment, and media Queen (chess) Queen (playing card) The Q (nightclub), an LGBT nightclub in New York City
Business and commerce
Q Score, in marketing, way to measure the familiarity of an item Tobin's q, a financial ratio developed by James Tobin Q1, Q2, Q3, or Q4, a quarter year, a three-month period in a calendar year, also known as a trimester Initiative Q or Quahl, a payment network and digital currency devised by Saar Wilf Quintals, an archaic method of measuring crop yield, was often abbreviated as q Q (dairy) or Q–meieriene, a Norwegian dairy brand Q-telecom, a Greek telecommunications operator The Q (nightclub), an LGBT nightclub in New York City
Computing Artificial intelligence Amazon Q, AI–powered assistant released in 2023 Q-learning, AI algorithm Q*, a rumored internal name for OpenAI o1
Electronics Q-telecom, a Greek telecommunications operator Motorola Q, smartphone released in 2006 Pentax Q, mirrorless interchangeable lens camera released in 2011 Electronic transistor, abbreviated Q in e.g. circuit diagrams
Programming languages Q (equational programming language), functional, based on term rewriting, the predecessor to Pure Q (programming language from Kx Systems), for array processing Q Sharp (Q#), domain-specific, for quantum algorithms, designed by Microsoft Research
Other uses in computing Q (cipher), encryption algorithm published in 2000, invented by Leslie McBride Q (emulator), open-source x86 emulator for macOS Q (number format), fixed-point number format built into certain computer processors Q (software), a computer software package for molecular dynamics simulation Q code, in telecommunication
Engineering 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
Government, military, and politics
Q clearance, US Department of Energy security clearance Quebec, the military time zone code for UTC−04:00 Q (Sanna's Post) Battery Royal Artillery, UK Q Society of Australia, right-wing, anti-Islamic political society
People
Musicians Qurram Hussain of JoSH, known by the stage name "Q" Q Marsden, American rapper, known by the stage name "Q" Quincy Jones, American record producer and musician, nicknamed "Q" Quinnes Parker, member of 112, an American R&B group, nicknamed "Q" Q, main dancer and vocalist of South Korean boy band The Boyz Schoolboy Q, rapper Stacey Q, disco singer
Performers and film people Brian "Q" Quinn, American comedian who stars on the TV show Impractical Jokers Q. Smith, American stage actress Maggie Q, American actress Qaushiq Mukherjee, Indian film director, nicknamed "Q" Quentin Elias, called by the pseudonym "Q" in his appearances on the gay porn site Randy Blue Q (drag queen), contestant on RuPaul's Drag Race season 16
Politics people Q, pseudonym used by the supposed originator of QAnon, an American far-right conspiracy theory Q Manivannan, Member of the Scottish Parliament Qiulae Wong, New Zealand politician and the leader of The Opportunity Party Q, or Q Martel, nicknames of Giffard Le Quesne Martel, British military engineer and tank strategist
Mathematics Statistics Q, the proportion of discoveries that are false, whose expected value is the false discovery rate q-value (statistics), in the Storey procedure A quartile, designated Q1, Q2, or Q3 q, the probability of failure of a Bernoulli trial Q-function, the tail distribution function of the standard normal distribution
Other uses in mathematics The set of all rational numbers ( or Q) Robinson arithmetic, a finitely axiomatized fragment of Peano Arithmetic (Q) Quadrature component of a sinusoid (Q) Quadratic form (Q or q) Rotation matrix (Q) Quotient, as in "Q-category" Proposition, usually the second of two or more (Q) Point (geometry), usually the second of two or more (Q) Prime number, usually the second of two or more (q) The quaternion group Q8 or sometimes just Q
Science Astronomy Q, quasar Q star or gray hole Q, the Toomre Q parameter, in the (Safronov–)Toomre stability criterion
Biochemistry Glutamine, an amino acid, abbreviated "Q" Quinone, abbreviated "Q" q, designation for the long arm of a chromosome Coenzyme Q, a carrier in electron transport
Botany Quassia, a genus of plants, in family Simaroubaceae Quercus, the genus of the oak tree, in family Fagaceae Quesnelia, a genus of flowering plants, in family Bromeliaceae Quintinia, a genus of evergreen trees and shrubs, in family Paracryphiaceae Quisqualis, a genus identified with Combretum, bushwillows, in family Combretaceae
Fluid dynamics Discharge (hydrology) (symbol "Q") Q or q, dynamic pressure Max q Q, volumetric flow rate
Medicine q, a medical abbreviation for "every" Cardiac output (Q), the volume of blood pumped by each ventricle per minute Haplogroup Q (mtDNA), a human mitochondrial DNA (mtDNA) haplogroup Haplogroup Q-M242 (Y-DNA), a Y-chromosomal DNA (Y-DNA) haplogroup Q fever, query fever, or coxiellosis, a human and animal disease
Particle physics Q value (nuclear science), the differences of energies of the parent nuclides to the daughter nuclides q or Q, electric charge Husimi Q representation of the phase space distribution of a quantum state q, quark
Thermodynamics Q, reaction quotient Q, heat Q, fusion energy gain factor
Zoology Quadrula, a genus of freshwater mussel, in the family Unionidae Quaesitosaurus, a genus of sauropod dinosaur, in family Nemegtosauridae Quantula, a genus of snail, in family Dyakiidae Quadrastichodella, a genus of hymenopteran insects, in family Eulophidae Quinqueloculina, a genus of foraminifera single-celled organisms, in family Miliolidae Quiscalus, a genus of grackle birds, in family Icteridae
Other uses in science q, quecto-, the metric prefix for 10−30×... Q, quetta-, the metric prefix for 1030×... q, momentum transfer
Sports Athletes Bruce Fraser (basketball), NBA assistant coach, nicknamed Q Joel Quenneville, Canadian-American ice hockey coach, nicknamed Q Quintin Dailey (1961–2010), American basketball player, nicknamed Q Anquan Boldin, former American football player, nicknamed Q
Other uses in sports Q School, qualifying school in golf Q School (snooker), the qualification school for the World Snooker Tour 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" 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 , the official West Japan Railway Company service symbol for the Kansai Line and Yamatoji Line
Other uses Voiceless uvular plosive/stop (International Phonetic Alphabet symbol "q") "question", abbreviated "Q" Q code, in telecommunication Q texture, a Taiwanese term describing the ideal texture of many foods Quintus (praenomen) Chuluaqui-Quodoushka, a series of New Age sexual meditation exercises developed by Harley Reagan, nicknamed "Q"
See also Cue (disambiguation) Kyū, rank, in Japanese martial arts and other Japanese grading systems Kew (disambiguation) Que (disambiguation) Cue (disambiguation) Queue (disambiguation) QQ (disambiguation) QQQ (disambiguation) QQQQ (disambiguation) Q1 (disambiguation) Q value (disambiguation) Q ratio (disambiguation) Q&A (disambiguation) Q&Q, a Citizen Watch brand Suzie Q (disambiguation)