IWF

IWF may refer to:

International Women's Forum (founded 1974), a global organization of 8,000+ members, comprising leaders in government, business, science, the arts, athletics, finance, philanthropy, etc..
Independent Women's Forum, a conservative non-profit organization, founded in 1992 out of the "Women for Clarence Thomas" ad hoc group.
Independent Wrestling Federation, a professional wrestling promotion based in Nutley, NJ, United States
Institut für Weltraumforschung (Space Research Institute), an Austrian space institute
International Wargames Federation, international body uniting national wargaming federations of South Africa
International Weightlifting Federation, the international governing body for the sport of weightlifting
Internet Watch Foundation, an online policing organization in the United Kingdom
Inter-working Function, a conversion interface between wireless and telephone networks
iShares Russell 1000 Growth Index, an exchange-traded fund with ticker symbol IWF