See also lists of all IFRC regions, National Societies, and Country codes
: W17 : Workshop17
: WAHO : West African Health Organization
: WASH : WAter, Sanitation and Hygiene
: WB : World Bank
: WBG : World Bank Group
: WCO : World Customs Organization
: WCPT : The World Confederation for Physical Therapy
: WDR : World Disasters Report
: WEF : World Economic Forum
: WFCL : Worst Forms of Child Labour
: WFME : The World Federation for Medical Education
: WFP : World Food Programme
: WG : Working Group
: WHA : World Health Assembly
: WHE : WHO Health Emergencies
: WHO : World Health Organization
: WHO MDB : World Health Organization Mortality Database
: WHO regions : a WHO division of member states into six separate geographical areas
: WLHIV : Women living with HIV
: WMA : The World Medical Association
: WPR : WHO Western Pacific Region
: WPV : Wild Polio Virus
: WTO : World Trade Organization