WWF

WWF may refer to:

• World Wide Fund for Nature / World Wildlife Fund (both WWF), a conservation group
• World Wrestling Federation (WWF), an American professional wrestling promotion that is now known as World Wrestling Entertainment (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 (WWF), 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, a reinforcing material used in poured concrete slabs
• Wiscasset, Waterville and Farmington Railway (WWFRY), a former 2-foot-gauge railroad in Maine, United States