WWF may refer to:

Non-profit organizations

World Wide Fund for Nature The World Wide Fund for Nature Inc. (WWF) is an international non-governmental organization founded in 1961 that works in the field of wilderness preservation and the reduction of human impact on the environment. It was formerly named the Wor ...

or World Wildlife Fund, a nature conservation group *

World Water Forum The World Water Forum (WWF) is an event focusing on perceived issues surrounding water. It is organized by the World Water Council and Global Water Partnership and takes place every three years. Aim World Water Forum aims to: :* Raise awareness ...

, an international forum for water issues *

Working Women's Forum The Working Women's Forum (WWF) is a women's organisation in southern India. It was founded in 1978 by Jaya Arunachalam in Madras (Chennai). The WWF aims to empower poor women in southern India by providing microcredit, a trade union, health ca ...

, a training, trade and credit union in India *

Waterside Workers' Federation of Australia The Waterside Workers' Federation of Australia (WWF) was an Australian trade union that existed from 1902 to 1993. After a period of negotiations between other Australian maritime unions, it was federated in 1902 and first federally registered ...

, a defunct Australian trade union

Other uses

WWF (file format) WWF is a modification of the open standard PDF format for document exchange endorsed by the World Wide Fund for Nature (also abbreviated WWF) Germany. The WWF format is promoted as being more environmentally friendly than other comparable documen ...

, a campaign to produce PDF electronic documents that forbid printing *

Windows Workflow Foundation Windows Workflow Foundation (WF) is a Microsoft technology that provides an API, an in-process workflow engine, and a rehostable designer to implement long-running processes as workflows within .NET applications. The latest version of WF was r ...

, a software component of .NET Framework, now abbreviated as ''WF'' *Welded wire fabric, another name for

Welded wire mesh Welded wire mesh, or welded wire fabric, or "weldmesh" is an electric fusion welded prefabricated joined grid consisting of a series of parallel longitudinal wires with accurate spacing welded to cross wires at the required spacing. Machines are ...

, a reinforcing material typically used in poured concrete slabs *

Wiscasset, Waterville and Farmington Railway The Wiscasset, Waterville and Farmington Railway is a narrow gauge railway. The line was operated as a for-profit company from 1895 until 1933 between the Maine towns of Wiscasset, Albion, and Winslow, but was abandoned in 1936. Today, about o ...

, a former 2-foot-gauge railroad in Maine, United States *World Wrestling Federation, a former name for

WWE World Wrestling Entertainment, Inc., d/b/a as WWE, is an American professional wrestling promotion. A global integrated media and entertainment company, WWE has also branched out into other fields, including film, American football, and vari ...

(World Wrestling Entertainment) *''

Words with Friends ''Words with Friends'' is a multiplayer word game developed by Newtoy. Players take turns building words crossword-puzzle style in a manner similar to the classic board game ''Scrabble''. The rules of the two games are similar, but ''Words with ...

'', a mobile video game franchise {{disambig