Windermere is a ribbon lake in Cumbria, England, and part of the Lake District. It is the largest lake in England by length, area, and volume, but considerably smaller than the largest Scottish lochs and Northern Irish loughs.

Windermere is a town in the civil parish of Windermere and Bowness, in the Westmorland and Furness district in the ceremonial county of Cumbria, England; it is within the Lake District National Park. The town lies about half a mile (1 km) east of the lake, Windermere, from which it takes its name. In 2021 it had a population of 4826.