Y, or y, is the twenty-fifth letter of the English alphabet.
Look up
Y or
y in Wiktionary, the free dictionary.
Y or y may also refer to:
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
- ¥, the symbol for Japanese yen
- Y, the symbol for income
- 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
- 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
![](//upload.wikimedia.org/wikipedia/commons/thumb/d/dd/Logo_of_Tokyo_Metro_Y%C5%ABrakuch%C5%8D_Line.svg/17px-Logo_of_Tokyo_Metro_Y%C5%ABrakuch%C5%8D_Line.svg.png)
- Yotsubashi Line, a subway service operated by the Osaka Metro, labeled
![](//upload.wikimedia.org/wikipedia/commons/thumb/d/de/Osaka_Metro_Yotsubashi_line_symbol.svg/17px-Osaka_Metro_Yotsubashi_line_symbol.svg.png)
- 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.