Lancashire
| District | Successor |
|---|---|
| Abram Urban District | Wigan |
| Accrington Borough | Hyndburn |
| Adlington Urban District | Chorley |
| Ashton-in-Makerfield Urban District | Wigan, Metropolitan Borough of St Helens |
| Ashton-under-Lyne Borough | Tameside |
| Aspull Urban District | Wigan |
| Atherton Urban District | Wigan |
| Audenshaw Urban District | Tameside |
| Bacup Borough | Rossendale |
| Barrowford Urban District | Pendle |
| Billinge and Winstanley Urban District | Wigan, St Helens |
| Blackburn Rural District | Hyndburn, Blackburn, Ribble Valley |
| Blackrod Urban District | Bolton |
| Brierfield Urban District | Pendle |
| Burnley Rural District | Pendle, Ribble Valley, Burnley |
| Carnforth Urban District | Lancaster |
| Chadderton Urban District | Oldham |
| Chorley Borough | Chorley |
| Chorley Rural District | Chorley |
| Church Urban District | Hyndburn |
| Clayton-le-Moors Urban District | Hyndburn |
| Clitheroe Borough | Ribble Valley |
| Clitheroe Rural District | Ribble Valley |
| Colne Borough | Pendle |
| Crompton Urban District | Oldham |
| Crosby Borough | Sefton |
| Dalton-in-Furness Urban District | Barrow-in-Furness |
| Darwen Borough | Blackburn |
| Denton Urban District | Tameside |
| Droylsden Urban District | Tameside |
| Eccles Borough | Salford |
| Failsworth Urban District | Oldham |
| Farnworth Borough | Bolton |
| Fleetwood Borough | Wyre |
| Formby Urban District | Sefton |
| Fulwood Urban District | Preston |
| Fylde Rural District | Fylde |
| Garstang Rural District | Wyre |
| Golborne Urban District | Warrington, Wigan |
| Grange Urban District | South Lakeland |
| Great Harwood Urban District | Hyndburn |
| Haslingden Borough | Rossendale |
| Haydock Urban District | St Helens |
| Heywood Borough | Rochdale |
| Hindley Urban District | Wigan |
| Horwich Urban District | Bolton |
| Huyton-with-Roby Urban District | Knowsley |
| Ince-in-Makerfield Urban District | Wigan |
| Irlam Urban District | Salford |
| Kearsley Urban District | Bolton |
| Kirkby Urban District | Knowsley |
| Kirkham Urban District | Fylde |
| Lancaster Borough | Lancaster |
| Lancaster Rural District | Lancaster |
| Lees Urban District | Oldham |
| Leigh Borough | Wigan |
| Leyland Urban District | South Ribble |
| Litherland Urban District | Sefton |
| Little Lever Urban District | Bolton |
| Littleborough Urban District | Rochdale |
| Longridge Urban District | Ribble Valley |
| Lunesdale Rural District | Lancaster |
| Lytham St. Anne's Borough | Fylde |
| Middleton Borough | Rochdale |
| Milnrow Urban District | Rochdale |
| Morecambe and Heysham Borough | Lancaster |
| Mossley Borough | Tameside |
| Nelson Borough | Pendle |
| Newton-le-Willows Urban District | St Helens |
| North Lonsdale Rural District | South Lakeland |
| Ormskirk Urban District | West Lancashire |
| Orrell Urban District | Wigan |
| Oswaldtwistle Urban District | Hyndburn |
| Padiham Urban District | Burnley |
| Poulton-le-Fylde Urban District | Wyre |
| Preesall Urban District | Wyre |
| Prescot Urban District | Knowsley |
| Preston Rural District | South Ribble, Preston, Ribble Valley |
| Prestwich Borough | Bury |
| Radcliffe Borough | Bury |
| Rainford Urban District | St Helens |
| Ramsbottom Urban District | Rossendale, Bury |
| Rawtenstall Borough | Rossendale |
| Rishton Urban District | Hyndburn |
| Royton Urban District | Oldham |
| Skelmersdale and Holland Urban District | West Lancashire |
| Standish-with-Langtree Urban District | Wigan |
| Stretford Borough | Trafford |
| Swinton and Pendlebury Borough | Salford |
| Thornton Cleveleys Urban District | Wyre |
| Tottington Urban District | Bury |
| Trawden Urban District | Pendle |
| Turton Urban District | Bolton, Blackburn |
| Tyldesley Urban District | Wigan |
| Ulverston Urban District | South Lakeland |
| Urmston Urban District | Trafford |
| Walton-le-Dale Urban District | South Ribble |
| Wardle Urban District | Rochdale |
| Warrington Rural District | Warrington |
| West Lancashire Rural District | Sefton, Knowsley, West Lancashire |
| Westhoughton Urban District | Bolton |
| Whiston Rural District | Warrington, St Helens, Knowsley, Halton |
| Whitefield Urban District | Bury |
| Whitworth Urban District | Rossendale |
| Widnes Urban District | Halton |
| Wigan Rural District | Wigan, West Lancashire |
| Withnell Urban District | Chorley |
| Worsley Urban District | Salford |
Barrow-in-Furness, Blackburn, Blackpool, Bolton, Bootle, Burnley, Bury, Liverpool, Manchester, Oldham, Preston, Rochdale, Salford, Southport, St Helens, Warrington and Wigan were county boroughs.
Read more about this topic: List Of Rural And Urban Districts In England In 1973