Brigg was a county constituency centred on the town of Brigg in North Lincolnshire. It returned one Member of Parliament (MP) to the House of Commons of the Parliament of the United Kingdom, elected by the first-past-the-post voting system.

Henry Meysey Meysey-Thompson, 1st Baron Knaresborough was a Liberal politician who sat in the House of Commons variously between 1880 and 1905 when he was raised to the peerage as Baron Knaresborough.