PW may refer to:
Arts and media PW (rapper) (born 1992), English hip-hop artist Metal Gear Solid: Peace Walker, a 2010 video game Pauly-Wissowa, a short name for the Realencyclopädie der classischen Altertumswissenschaft Pee Wee (singer) (born 1988), Mexican American singer and actor Perfect World (video game), an online roleplaying game Persistent world, a type of virtual world Philadelphia Weekly, a newspaper Practical Wireless, a UK-based amateur radio magazine Production Workshop, a Brown University theater Publishers Weekly, a trade magazine Palworld, a 2024 survival video game
Businesses and organizations Warsaw University of Technology, Politechnika Warszawska, a university in Poland Price Waterhouse, an accounting firm Pratt & Whitney, an aerospace manufacturer Protest Warrior, a political activist group Physics Wallah, an online and offline education platform Transportation Pacific Western Transportation, a bus transport company Providence and Worcester Railroad (reporting mark PW) Precision Air (IATA code PW), a current Tanzanian airline German Wings (IATA code PW), a 1983-1990 German airline Pacific Western Airlines (IATA code PW), a 1946-1987 Canadian airline
Places Palau (ISO code PW), an island nation Puerto Williams, a port in Chile
Science and technology .pw, the Internet domain for Palau Password, a code for authentication Pathetic Writer, a word processor software application Pennyweight, a unit of mass Petawatt (PW), a unit of power Picowatt (pW), a unit of power Precipitable water, a meteorological measure of the amount of water in the atmosphere Pseudo-wire, in computer networking and telecommunications
Other uses P. W. Botha (1916–2006), prime minister of South Africa Prisoner of war, a legal status in warfare Paul Walker (1973-2013), actor known for the Fast And Furious franchise. Kotwica, a World War II emblem of the Polish Underground State and Armia Krajowa.