Workington was a constituency[n 1] in Cumbria represented in the House of Commons of the UK Parliament.

The remainder, comprising the majority of the electorate, formed part of the new seat of Penrith and Solway.

[2] The constituency covered much of the north-west of Cumbria, corresponding largely to the Allerdale borough, except for the areas around Wigton and Keswick.

1983–1997: The District of Allerdale wards of All Saints, Binsey, Broughton, Castle, Clifton, Crummock, Dalton, Dearham, Derwent Valley, Ellen, Ellenborough, Ewanrigg, Flimby, Harrington, Keswick, Moorclose, Netherhall, Northside, St Bridget's, St John's, St Michael's, Salterbeck, Seaton Moor, Stainburn, and Westfield.

2010–2024: The Borough of Allerdale wards of All Saints, Aspatria, Boltons, Broughton St Bridget's, Christchurch, Clifton, Ellen, Ellenborough, Ewanrigg, Flimby, Harrington, Holme, Marsh, Moorclose, Moss Bay, Netherhall, St John's, St Michael's, Seaton, Silloth, Solway, Stainburn, Wampool, Waver, and Wharrels.