ABW, or abw, may refer to:

Arts and media ABW, a 2001 album by Addis Black Widow ABW (TV station), the Australian Broadcasting Corporation's Perth TV station Australian Bird Watcher, an ornithological journal

Places Abau Airport in Central Province, Papua New Guinea (IATA airport code ABW) Abbey Wood railway station in London, UK (National Rail code ABW) Aruba (ISO 3166-1 alpha-3 country code ABW)

Technology Abandonware, software no longer supported by its owner AbiWord, word processor Advanced Brake Warning, in vehicle safety systems

Other uses Pal language, a Papuan language of Papua New Guinea (ISO 639-3 code "abw") Activity Based Working, workplace strategy that provides people with a choice of settings for their work activities AirBridgeCargo, a Russian cargo airline Agencja Bezpieczeństwa Wewnętrznego, the Polish internal security agency, also known as ISA Alcohol by weight, used by some brewers instead of Alcohol by volume (ABV)

See also