Bolton was a borough constituency centred on the town of Bolton in the county of Lancashire. It returned two Members of Parliament (MPs) to the House of Commons for the Parliament of the United Kingdom, elected by the bloc vote system.

Bolton is a town in Greater Manchester in England. In the foothills of the West Pennine Moors, Bolton is between Manchester, Blackburn, Wigan, Bury and Salford. It is surrounded by several towns and villages that form the wider borough, of which Bolton is the administrative centre. The town is within the historic county boundaries of Lancashire.