New Cowper (pronounced and occasionally written New Cooper) is a small hamlet in the civil parish of Holme St. Cuthbert in Cumbria, United Kingdom. It is located three-and-a-half miles south-east of the village of Mawbray, one-and-a-half miles north-west of Westnewton, and twenty-one-and-a-half miles south-west of Carlisle, Cumbria's county town.