The Wildfowl and Wetlands Trust is a wildfowl and wetland conservation charity in the United Kingdom and the largest international wetland conservation charity. Its patron is Queen Elizabeth II.
It was founded in 1946 by the ornithologist and artist Sir Peter Scott, initially as the Severn Wildfowl Trust. It has over 100,000 members and nine reserves with visitor centres, together covering over 2000 hectares which support over 150,000 birds and receive over one million visitors per year. The sites include seven SSSIs (site of Special Scientific Interest), five SPAs (Special Protection Area) and five Ramsar sites.
- WWT Arundel, West Sussex
- WWT Caerlaverock, Dumfries and Galloway, Scotland (the only centre with accommodation)
- WWT Castle Espie, County Down, Northern Ireland
- WWT London Wetlands Centre
- WWT National Wetlands Centre, Carmarthenshire, Wales
- WWT Martin Mere, Lancashire
- WWT Slimbridge, Gloucestershire
- WWT Washington, Tyne and Wear
- WWT Welney, Cambridgeshire