Wythburn Church is located in an isolated position by the A591 road on the east bank of Thirlmere, Cumbria, England. It is an active Anglican church in the deanery of Derwent, the archdeaconry of West Cumberland, and the diocese of Carlisle. Its benefice is united with those of St Mary, Threlkeld, and St John, St John's in the Vale. The church is recorded in the National Heritage List for England as a designated Grade II listed building. The poet William Wordsworth described it as a "modest house of prayer".