IWA may refer to:

Organizations

International

International Water Association The International Water Association (IWA) is a nonprofit organization and knowledge hub for the water sector, connecting water professionals and companies to find solutions to the world's water challenges. The IWA is headquartered in London, UK, ...

International Webmasters Association {{Other uses, IWA (disambiguation) The International Webmasters Association (IWA), a non-profit professional association for web professionals, provides training courses and certification. IWA reportedly has 100 official chapters representing over ...

International Woodworkers of America International Woodworkers of America (IWA) was an industrial union of lumbermen, sawmill workers, timber transportation workers and others formed in 1937. History The IWA was formed when members of the Sawmill and Timber Workers’ Union divis ...

, United States and Canada *

International Workers Association International is an adjective (also used as a noun) meaning "between nations". International may also refer to: Music Albums * ''International'' (Kevin Michael album), 2011 * ''International'' (New Order album), 2002 * ''International'' (The T ...

, an anarcho-syndicalist federation of labour unions *

International Workingmen's Association The International Workingmen's Association (IWA), often called the First International (1864–1876), was an international organisation which aimed at uniting a variety of different left-wing socialist, communist and anarchist groups and trad ...

(1864–1876), also known as the First International

United Kingdom

Indian Workers' Association The Indian Workers' Association (IWA) is a political organisation in Great Britain which consists of Indian immigrants to Britain and their descendants. IWA branches are organised in some major cities such as Birmingham and London. As one of ...

Inland Waterways Association The Inland Waterways Association (IWA) is a registered charity in the United Kingdom and was formed in 1946 to campaign for the conservation, use, maintenance, restoration and sensitive development of British Canals and river navigations. Not ...

, a canal charity *

Institute of Welsh Affairs The Institute of Welsh Affairs (IWA) () is an independent charity and membership-based think-tank based Cardiff, Wales, which specialises in public policy and debate around the economy, education, environment and health sectors in Wales. Hist ...

, a policy think-tank

Elsewhere

Independent Wrestling Association Mid-South Independent Wrestling Association (IWA) Mid-South (also known as IWA Mid-South, IWA-MS, and IWA Mid South Wrestling) is an American independent professional wrestling promotion based in New Albany, Indiana. It was formed by Ian Rotten in 1996 ...

, United States *

International Wrestling Alliance The International Wrestling Alliance (IWA) was an independent professional wrestling promotion based in the province of Manitoba in Canada. It was initially founded as the West Four Wrestling Alliance (WFWA) in 1973 by Tony Condello , under whic ...

, Canada *

International Wrestling Association (disambiguation) International Wrestling Association may refer to: *International Wrestling Association (Puerto Rico) (IWA), one of several major promotions based in Puerto Rico which was established by promoter Victor Quiñones in 1994. *International Wrestling A ...

, various national bodies *

Irish Wheelchair Association The Irish Wheelchair Association (IWA) is a charity in Ireland that has been working with people with physical disabilities since its foundation in 1960. It has 2,000 registered volunteers across its 32 volunteer branches. The IWA’s objectives ...

, Ireland

Places

Iwa, Nepal Iwa is a village development committee in the Himalayas of Terhathum District in the Kosi Zone of eastern Nepal Nepal (; ne, नेपाल ), formerly the Federal Democratic Republic of Nepal ( ne, सङ्घीय लोकत ...

, a defunct municipality (village development committee) * Phoenix-Mesa Gateway Airport, Mesa, Arizona, US (FAA code: IWA)

Other uses

Great frigatebird The great frigatebird (''Fregata minor'') is a large seabird in the frigatebird family. There are major nesting populations in the tropical Pacific (including the Galapagos Islands) and Indian Oceans, as well as a tiny population in the South At ...

( haw, 'iwa, link=no), an avian species **

Hurricane Iwa Hurricane Iwa, taken from the Hawaiian language name for the frigatebird (iwa, lit. "Thief"), was at the time the costliest hurricane to affect the state of Hawaii. Iwa was the twenty-third tropical storm and the twelfth and final hurricane of the ...

, a late-1982 storm on the Hawaiian Islands *

IWA OutdoorClassics IWA OutdoorClassics, also referred to as simply IWA, short for ''Internationale Waffen Ausstellung'' (International Weapons Exhibition), is an annual trade fair held in the Messezentrum Nuremberg in Bavaria, Germany for the hunting, shooting spor ...

, an arms trade show held annually in Nuremberg, Germany *

Integrated Windows Authentication Integrated Windows Authentication (IWA) is a term associated with Microsoft products that refers to the SPNEGO, Kerberos, and NTLMSSP authentication protocols with respect to SSPI functionality introduced with Microsoft Windows 2000 and included ...

, Microsoft term for a set of protocols *

International Workshop Agreement The International Organization for Standardization (ISO ) is an international standard development organization composed of representatives from the national standards organizations of member countries. Membership requirements are given in Ar ...

, a stage of ISO's standardization process {{disambiguation