WWF may refer to:
Organizations
World Wildlife Fund, a conservation non-profit organization, also called the World Wide Fund for Nature World Wrestling Federation, a professional wrestling promotion (now WWE)
Fora and unions 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
Computing and games 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
Other uses Welded wire fabric, in concrete slabs Wiscasset, Waterville and Farmington Railway, Maine, United States