Brierfield is a town and civil parish in the Borough of Pendle, in Lancashire, England. It is 3 miles north east of Burnley, 1 mile south west of Nelson, and 1 mile north east of Reedley. The parish had a population of 8,193, at the census of 2011. The parish adjoins the Pendle parishes of Reedley Hallows, Old Laund Booth and Nelson, the Burnley parish of Briercliffe, and the unparished area of the town of Burnley.