kW is an abbreviation for kiloWatt, a unit of power.
KW, kW or kw may also refer to:
Arts and media KW (album), 1998 album by Keith Washington K.W., a character in the 2009 film Where the Wild Things Are
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
Language Cornish language (ISO 639-1 code) Kw (digraph), in the Latin alphabet
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 Kwangwoon University, in Seoul, South Korea Kw, the self-ionization constant of water; see self-ionization of water National Herbarium of Ukraine (short code KW)