St Martin's Church stands in the centre of the town of Bowness-on-Windermere, Cumbria, England. It is an active Anglican parish church in the deanery of Windermere, the archdeaconry of Westmorland and Furness, and the diocese of Carlisle. The church is recorded in the National Heritage List for England as a designated Grade I listed building. Its benefice is united with that of St Anne's Church, Ings; St Cuthbert's Church, Kentmere; St James' Church, Staveley; Jesus Church, Troutbeck and St Mary's Church, Windermere.

Bowness-on-Windermere is a town and former civil parish, now in the parish of Windermere and Bowness, in the Westmorland and Furness district, in the ceremonial county of Cumbria, England. It lies next to Windermere lake and the town of Windermere to the north east and within the Lake District National Park. The town was historically part of the county of Westmorland and it also forms an urban area with Windermere. The town had a population of 3,814 in the 2011 Census.