| Kinross and West Perthshire |
Full name (in Craig 4) Perthshire and Kinross-shire, Kinross and West Perthshire |
| Kinsale |
|
| Kirkcaldy |
Constituency first used at the February General election of 1974 (28/02/1974). |
| Kirkcaldy and Cowdenbeath |
|
| Kirkcaldy District of Burghs |
Constituency first used at the February General election of 1974 (28/02/1974). Named Kirkcaldy Burghs in Craig 4 |
| Kirkcudbrightshire |
|
| Knaresborough |
|
| Knowsley |
|
| Knowsley North |
|
| Knowsley North and Sefton East |
|
| Knowsley South |
|
| Knutsford |
Full name (in Craig 2,3,4) Cheshire, Knutsford |
| Lagan Valley |
|
| Lambeth |
|
| Lambeth Brixton |
Constituency first used at the February General election of 1974 (28/02/1974). |
| Lambeth Central |
Constituency first used at the February General election of 1974 (28/02/1974). |
| Lambeth Kennington |
|
| Lambeth North |
|
| Lambeth Norwood |
|
| Lambeth Streatham |
Constituency first used at the February General election of 1974 (28/02/1974). |
| Lambeth Vauxhall |
|
| Lanark |
Full name (in Craig 3,4) Lanarkshire, Lanark |
| Lanark and Hamilton East |
|
| Lanarkshire |
|
| Lanarkshire Mid |
|