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-score, a concept in statistics
zepto- (z), an SI prefix meaning 10⁻²¹
zetta- (Z), an SI prefix meaning 10²¹
$\mathbb {Z}$ $\mathbb {Z}$ , the set of integer numbers
- $\mathbb {Z} /n\mathbb {Z}$ , the set of all integers modulo $n$ .
- ${\displaystyle \mathbb {Z} _{p))$ , 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

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

Z (New York City Subway service)
Tokyo Metro Hanzōmon Line, a subway service operated by the Tokyo Metro, labeled
, 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

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

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
z, 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