Y (disambiguation)

Last updated September 16, 2025

Y , or y, is the twenty-fifth letter of the English alphabet.

Places

Y, Alaska, US
Y, Somme, France
Y Mountain, a mountain in Utah, US
Y (river), a river in northern Russia
Postal code Y indicating Yukon (see List of Y postal codes of Canada)

Art, entertainment, and media

Comics

Y: The Last Man , a DC comics series by Brian K. Vaughan

Film and television

Y (2017 film), a Malayalam film directed by Sunil Ibrahim
Y (2022 film), an Indian Marathi-language thriller film
Y, the production code for the 1966 Doctor Who serial The Celestial Toymaker
Y?, An educational children's science program shown on the Nine Network in Australia
Y: The Last Man (TV series), an American drama based on the comic book series Y: The Last Man

Games

Y (game), a board game played on a triangular board
Pokémon Y , a video game for the Nintendo 3DS

Literature

Y (novel), a 2012 novel by Marjorie Celona
"Y", a poem by Patti Smith from her book Early Work (1994)
"Y" Is for Yesterday , the twenty-fifth and final novel in Sue Grafton's "Alphabet mystery" series, published in 2017

Music

Albums

Y (EP), a single album by MBLAQ
Y (The Pop Group album), an album by The Pop Group
Y. (Bebe album), an album by Spanish singer Bebe
Y, a repackaged edition of I, by Jaejoong
01011001 (binary number for 'Y' in ASCII), an album by Dutch progressive metal project Ayreon

Songs

"y", a 2010 song by iamamiwhoami from the album bounty
"Y..." a track on Belanova's Cocktail
"Y", a 1961 song composed by Mario de Jesús Báez which has been covered by several artists including Luis Miguel on the album Vivo (2000)
"Y", a 2021 song by Citizen Queen

Economics and finance

¥, the symbol for Japanese yen
Y, the symbol for income

Enterprises and brands

Alleghany Corporation, NYSE ticker symbol Y
Brigham Young University, commonly known throughout the Mormon Corridor as "the Y" (as its rival, the University of Utah, is known as "the U")
Y Combinator (company), American seed brand
Y-Front a trademark for briefs by Jockey International, used in Britain as a synonym of briefs
YM-YWHA, aka "the Y"
YMCA, aka "the Y"
YWCA, aka "the Y"

Language

Y (Cyrillic)
y (IPA), the International Phonetic Alphabet letter for a close front rounded vowel

Mathematics

Y combinator, a fixed-point combinator in combinatory logic
Y, the Bessel function
Y, dependent variable
Y or y, vertical axis in the Cartesian coordinate system

Science

Y, admittance, the inverse of electrical impedance Z
Haplogroup Y (mtDNA)
Hyperon
Luminance (video), in many video color models, such as YIQ and YUV
Tyrosine, abbreviated Y or Tyr
Y boson
Y chromosome
y, year, a non-SI abbreviation for this unit of time
Yellow, in the CMYK color model
y, yocto-, the SI prefix for 10⁻²⁴
Y, yotta-, the SI prefix for 10²⁴
Yttrium, symbol Y, a chemical element
Y, a hypothetical stellar class of ultra-cool dwarf stars

Transportation and travel

Y (New York City Subway service), an unused New York City Subway service label
Tokyo Metro Yurakucho Line, a subway service operated by the Tokyo Metro, labeled
Yotsubashi Line, a subway service operated by the Osaka Metro, labeled
Basque Y, a Spanish high-speed rail network so called for its Y shape
Y, code for economy class
Yaesu Route of Shuto Expressway in Tokyo, Japan, numbered as Route Y
, the official West Japan Railway Company service symbol for the Kure Line

Other uses

Ⓨ, a typographical symbol in Japanese resale price maintenance
Generation Y
Ms Y (or just "Y"), a refugee to Ireland involved in Irish court cases concerning abortion in the 2010s
Y-shape, the shape that resembles the letter Y
Y-stations, World War 2 listening stations
Yankee, the military time zone code for UTC−12:00
Aion Y, a Chinese electric SUV

Y (disambiguation)

Contents

Places

Art, entertainment, and media

Comics

Film and television

Games

Literature

Music

Albums

Songs

Economics and finance

Enterprises and brands

Language

Mathematics

Science

Transportation and travel

Other uses

See also