GWI
GWI stands for:
- Germanwings (ICAO code), German airline
- Gesellschaft für Wirtschaftsberatung und Informatik (GWI AG), manufacturer of hospital software
- Gesellschaft für Wirtschaftsinformation GmbH & Co. OHG, a publisher of WEKA Holding
- Gunda Werner Institute for Feminism and Gender Democracy, an institution of the Heinrich Böll Foundation
- Gas and Warmth Institute Essen eV, a research institute founded in 1937
- Gas-water installation, see supply engineering
gwi stands for:
- Gwich'in (language) (ISO-639-3 code), language of the Gwich'in in the border area between Canada and Alaska
- gaswärme international - a specialist magazine for gas-heated thermal processes from Vulkan-Verlag
