Kw
kw, kW or KW may refer to:
Businesses
- Kamera-Werkstätten, a German camera manufacturer
 - Keller Williams Realty, an American real estate company
 - Kenworth, an American truck manufacturer
 - Kompania Węglowa, a Polish coal mining company
 - KW – Das Heizkraftwerk, a former nightclub in Munich, Germany
 - KW automotive, a German automobile parts and suspension manufacturer
 
Computing
- .kw, the country code top level domain (ccTLD) for Kuwait
 - Keyword (Internet search)
 - Kiloword, a memory size increment
 
Places
- Key West, Florida, United States
 - KW postcode area, covering Kirkwall and Orkney, United Kingdom
 - Kitchener–Waterloo, Ontario, Canada
 - Kuwait (ISO 3166-1 country code KW)
 
Other uses
- Cornish language (ISO 639-1 code)
 - Kilowatt (kW), a unit of power
 - KW (album), 1998 album by Keith Washington
 - Kw (digraph), in the Latin alphabet
 - Kwangwoon University, in Seoul, South Korea
 - Kw, the self-ionization constant of water; see self-ionization of water
 - K.W., a character in the 2009 film Where the Wild Things Are
 - KW, a short code for the National Herbarium of Ukraine