Adlington is a village and civil parish in the Borough of Chorley in Lancashire, England, near the West Pennine Moors. It is 3 miles south of Chorley. It became a separate parish in 1842 then grew into a township around the textile and coal mining industries until these closed in the 1960s. It had a population of 5,270 at the 2001 census, and risen to 6,010 at the 2011 census. The Leeds and Liverpool Canal runs through the village and is host to White Bear Marina which is the largest marina on the Leeds and Liverpool Canal.

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.