The Freshwater Biological Association, often shortened to the FBA, is a British charity started in 1929. It aims are to promote freshwater biology. It publishes identification keys to freshwater plants and animals throughout the world, and also maintains a library of freshwater science.
Membership is open to anyone who is interested in freshwater science. The Association's main offices are in Far Sawrey, on the banks of Windermere in Cumbria.