Bretherton is a small village and civil parish in the Borough of Chorley, Lancashire, England, situated to the south west of Leyland and east of Tarleton. The population of the civil parish at the 2011 census was 669. Its name suggests pre-conquest origins and its early history was closely involved with the manor house Bank Hall and the families who lived there. Bretherton remained a rural community and today is largely residential with residents commuting to nearby towns.

The Borough of Chorley is a local government district with borough status in Lancashire, England. It is named after the town of Chorley, which is an unparished area. The borough extends to several villages and hamlets including Adlington, Buckshaw Village, Croston, Eccleston, Euxton and Whittle-le-Woods.