Brunstock is a hamlet in the civil parish of Stanwix Rural, in the Cumberland district, in the county of Cumbria, England.

Circa 1870, the township had a population of 84 as recorded in the Imperial Gazetteer of England and Wales.

[2] Brunstock was "Brumescheyd" in 1124, "Brunescayd" in 1240, "Brunschaith" in 1250, "Bruneskayth" in 1253, "Brunscaith" in 1276, "Brunestach" in 1281, "Brunskeyt", "Brumskeyt" and "Brumschayt" in 1292, "Brunskayth" and "Brunschath" in 1318, "Brunskaith" in 1332, "Brunscayth" in 1345, "Burnscath" in 1422, "litillburnscath'" in 1424, "Bronnsketh" or "Bronsketh" in 1498, "Brunskath" in 1509, "Bronsketh mylne" in 1563, "Bronskewgh" in 1564, "Bruscath flu" in 1576, "Brunscathhead" in 1603, "Brunskathe Becke" and "Brunskaythe Beck" in 1609, "Brunskugh Beck" and "Brunskeugh Beck" in 1610, "Brunstock" in 1662, "Brunstock" or "Brunskeugh" in 1687, "Brim Stock" in 1710, "Brinstock" in 1714.

[3] It is a few miles away from the small city of Carlisle and near the River Eden, there is also Brunstock Beck nearby.

Nearby settlements include the city of Carlisle, the commuter village of Houghton, the hamlets of Linstock, Whiteclosegate, Tarraby and Park Broom.