| Kildare South |
|
| Kilkenny [borough] |
|
| Kilkenny [county] |
|
| Kilkenny North |
|
| Kilkenny South |
|
| Kilmarnock |
Full name (in Craig 3,4) Ayrshire and Bute, Kilmarnock |
| Kilmarnock and Loudoun |
|
| Kilmarnock District of Burghs |
|
| Kincardine and Deeside |
|
| Kincardine and Western |
Full name (in Craig 3) Aberdeenshire and Kincardineshire, Kincardine and Western |
| Kincardineshire |
|
| King's County |
Constituency of same name also existed 1918-1922. This county became County Offaly after 1922. |
| King's County |
Constituency of same name also existed 1832-1885. This county became County Offaly after 1922. |
| King's County Birr |
|
| King's County Tullamore |
|
| King's Lynn |
Constituency first used at the February General election of 1974 (28/02/1974). Full name (in Craig 3,4) Norfolk, King's Lynn. Known as Lynn Regis prior to 1832. |
| Kingston |
Full name (in Craig 2) Surrey, Kingston |
| Kingston and Surbiton |
|
| Kingston upon Hull |
|
| Kingston upon Hull Central |
Constituency of same name also existed 1974¹-1983. |
| Kingston upon Hull Central |
Constituency first used at the February General election of 1974 (28/02/1974). Constituency of same name also existed 1885-1955. |
| Kingston upon Hull East |
a.k.a. Hull East after 1983 |
| Kingston upon Hull Haltemprice |
|
| Kingston upon Hull North |
Constituency first used at the February General election of 1974 (28/02/1974). Constituency of same name (a.k.a. Hull North) reformed in 1983. |
| Kingston upon Hull North |
Constituency of same name existed 1950-1974¹. Also known as Hull North. |