SW, sw or s/w may stand for:

Companies

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Geography

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Occupations

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Science and technology

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Computing and telecommunications

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Other uses in science and technology

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Other uses

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  • Sw., taxonomic author abbreviation for Olof Swartz (1760–1818), Swedish botanist and taxonomist
  • Swahili language (ISO 639 alpha-2 code "sw")
  • Star Wars, a science fiction media franchise
  • "S.W", a song by Blonde Redhead from their 2007 album 23
  • Social work