W (disambiguation)

W is the twenty-third letter of the Latin alphabet.

W may also refer to:

Arts and entertainment

W (magazine), an American fashion magazine
W, or the Memory of Childhood, a 1975 novel by Georges Perec
W Publishing, formerly Word Publishing, an imprint of Thomas Nelson
"W" Is for Wasted, the twenty-third novel in Sue Grafton's "Alphabet mystery" series, published in 2013

W (1974 film), a suspense American film
W (2014 film), a thriller Hindi language film
W. (film), a 2008 film about United States President George W. Bush by Oliver Stone
W (TV series), a 2016 South Korean television series
Kamen Rider W, a 2009–10 Japanese tokusatsu drama
W, the production code for the 1966 Doctor Who serial The Massacre of St Bartholomew's Eve

W Network, a Canadian cable television specialty channel
W Channel (Australia), an Australian pay television channel
W (UK TV channel), a UK and Ireland general entertainment channel
W, the initial call sign letter for most U.S. radio and television stations east of the Mississippi River

Watt (W), the SI derived unit for power
Tungsten (chemical symbol W), an element
W band, a radio band ranging from 75 to 111 GHz
Work (physics) (symbol: W), in physics
Tryptophan (single letter abbreviation: W), an amino acid
Haplogroup W (mtDNA), a human mitochondrial DNA (mtDNA) haplogroup
Lambert W function, a set of functions where w is any complex number
Weierstrass function, a real function continuous everywhere but differentiable nowhere
W and Z bosons, subatomic particles
Wurtzite crystal structure (prefix w-)
Weight (W)
W state a type of quantum entanglement

W (Los Angeles Railway), a line operated by the Los Angeles Railway from 1920 to 1956
W (New York City Subway service), a New York City Subway service
W (tram), a class of electric trams built by the Melbourne & Metropolitan Tramways Board.