Z (disambiguation)

Z, or z, is the twenty-sixth and last letter of the English alphabet.

Z may also refer to:

Film and television

 * Z (1969 film), a 1969 Algerian-French thriller film based on the murder of a Greek politician.
 * Z (1999 film), a 1999 Indian mystery-thriller film (in Kannada language)
 * Z (2019 film), a 2019 Canadian horror film
 * Z movie, a description for low-budget films
 * The Lost City of Z (film), 2017 biopic about explorer Percy Fawcett
 * Project Z (film), Telugu language version of the science fiction thriller Maayavan
 * Z-Cars, a British police procedural TV drama series
 * Z: The Beginning of Everything, television series about the life of Zelda Fitzgerald
 * Elizabeth "Z" Delgado, a Power Rangers: S.P.D. character
 * Z, the production code for the 1966 Doctor Who serial The Gunfighters
 * Z-4195, often called "Z", a worker ant, the protagonist of Antz
 * Ultraman Z, a 2020 tokusatsu series
 * World War Z (film), a 2013 zombie horror film
 * Attack Force Z, a 1982 film

Music

 * Z (Aion album)
 * Z (EP)
 * Z (My Morning Jacket album)
 * Z number, prefix for works of Henry Purcell in the Zimmerman catalog
 * Project Z (band), band for which Jimmy Herring played
 * WHTZ, or Z 100, an iHeartRadio station in New York City
 * "Z", a song by Gayle that was released in 2020

Literature

 * "Z", a pseudonym of Ezra Pound
 * Z: A Novel of Zelda Fitzgerald, by Therese Fowler
 * Z, a novel by Vassilis Vassilikos
 * Z, a play by Anne Szumigalski

Mathematics

 * Z-score, a concept in statistics
 * zepto- (z), an SI prefix meaning 10−21
 * zetta- (Z), an SI prefix meaning 1021
 * $$\mathbb{Z}$$, the set of integer numbers
 * $$\mathbb{Z}/n\mathbb{Z}$$, the set of all integers modulo $n$.
 * $$\mathbb{Z}_p$$, the set of all $p$-adic integers or sometimes the set of all integers modulo $n$.
 * Z, symbol for plastic section modulus, a geometric property
 * Z, the number 35 in base 36 and higher
 * z-axis, part of the Cartesian coordinate system

Computing

 * .Z (disambiguation), a file extension
 * Z (video game), a 1996 computer game
 * Z notation, a specification language for computing systems
 * z-buffering, the management of depth for 3-D graphics
 * Z-machine, a virtual machine used by Infocom for text adventure games
 * z/OS, a 64 bit operating system for mainframe computers
 * Z or ZF or Z flag, designations for the zero flag register
 * HP Z, a PC workstation brand of Hewlett Packard
 * Z (high impedance), one of the states in three-state logic

Natural sciences

 * Z boson, an elementary particle
 * Z, symbol for atomic number (the number of protons in an atom's nucleus)
 * Z, symbol for compressibility factor (a thermodynamic property)
 * Z, symbol for metallicity (the mass proportion of an astronomical object that is neither hydrogen nor helium)
 * Z, abbreviation for carboxybenzyl (an organic compound)
 * $$z$$, the degree of redshift in astronomical spectroscopy
 * Z, a descriptor for stereoisomers with a double bond in E-Z notation
 * Z, the number of formula units per unit cell in a crystalline solid
 * Z Pulsed Power Facility, an X-ray generator
 * Z chromosome
 * Haplogroup Z

Transportation

 * Z (New York City Subway service)
 * Tokyo Metro Hanzōmon Line, a subway service operated by the Tokyo Metro, labeled Logo of Tokyo Metro Hanzōmon Line.svg
 * JRW oka-Z.svg, the official West Japan Railway Company service symbol for the Fukuen Line.
 * Honda Z, a kei car
 * Honda Z series, a line of minibikes
 * Nissan Z-car, a series of sports cars
 * Kawasaki Z series, a series of motorcycles
 * Lincoln Z, a mid-size luxury sedan
 * HiPhi Z, an executive car
 * BMW Z, a series of sports cars

Military

 * Zulu, the military time zone code for UTC
 * Z (military symbol), a symbol used by Russian military vehicles during the 2022 Russian invasion of Ukraine
 * Operation Z, the Japanese code name for the 1941 attack on Pearl Harbor in its planning stages
 * Operation Z (1944), the initial Japanese plan for the defense of the Marianas Islands in WWII
 * Force Z, the British naval squadron sunk off Malaya in 1941
 * Plan Z, a German naval construction program
 * Class Z Reserve, contingent of the British Army
 * Project Z (bomber project) of World War II Japan
 * Z-4 Plan, a proposal to settle the Croatian War of Independence
 * Hypothesis Z, a Romanian war plan for World War I

Organisations

 * Together (Zajedno), a political party in Serbia
 * Z Energy, a New Zealand energy processing company
 * Z Corporation, a computer printer company
 * Z Communications, an activist media group, publishers of Z Magazine
 * Z, a brand logo of Zed Books (a publishing company in London)
 * Z, stock trading symbol for the Zillow Group

People

 * Zendaya, American actress and singer sometimes going by the nickname "Z"

Other uses

 * Z flag, one of the international maritime signal flags
 * Z-plan castle, a form of castle design common in England and Scotland
 * Z (cartoonist)
 * Z (joke line), an American dial-a-joke service of the 1970s and 1980s
 * Z scale, a 1:220 model railway scale
 * , the IPA symbol for a voiced alveolar sibilant sound
 * Lost City of Z, a hypothetical ancient city in Brazil
 * Z (underaged killer), placeholder designation of an unnamed 15-year-old minor who committed the 2001 murder of Annie Leong under the orders of her husband Anthony Ler in Singapore
 * Suzanne "Z" Yang, American Girl character
 * Z, the main antagonist of Xenoblade Chronicles 3