WWF

WWF may refer to:

• World Wide Fund for Nature, a conservation non-profit organization
• World Wrestling Federation, a professional wrestling promotion (now WWE)

• World Water Forum, an international forum for water issues
• Working Women's Forum (WWF), a training, trade and credit union in India
• Waterside Workers' Federation of Australia, a defunct Australian trade union

• WWF (file format), a campaign for unprintable PDF documents, endorsed by the World Wide Fund for Nature
• Windows Workflow Foundation (WF), a software component of the .NET Framework
• Words with Friends, a mobile computer game franchise

• Welded wire fabric, in concrete slabs
• Wiscasset, Waterville and Farmington Railway, Maine, United States