| Hallamshire (1885 - 1918) |
Full name (in Craig 2) Yorkshire (West Riding), Hallamshire |
| Hammersmith (1885 - 1918) |
Constituency of same name also existed 1983-1997. |
| Handsworth (1885 - 1918) |
Full name (in Craig 2) Staffordshire, Handsworth |
| Hanley (1885 - 1918) |
|
| Hawick District of Burghs (1832 - 1918) |
|
| Heywood (1885 - 1918) |
Full name (in Craig 2) Lancashire, Heywood |
| Holmfirth (1885 - 1918) |
Full name (in Craig 2) Yorkshire (West Riding), Holmfirth |
| Horsham (1832 - 1918) |
Full name (in Craig 2,3,4) Sussex (West), Horsham. Also known as Sussex North Western, 1885-?. Constituency of same name existed 1945-1974ยน, also reformed 1983. |
| Huntingdon (1832 - 1918) |
Full name (in Craig 2) Huntingdonshire, Huntingdon. Constituency of same name reformed 1983. |
| Hyde (1885 - 1918) |
Full name (in Craig 2) Cheshire, Hyde |
| Inverness District of Burghs (1832 - 1918) |
|
| Inverness-shire (1832 - 1918) |
|
| Kendal (1832 - 1918) |
Full name (in Craig 2) Westmoreland, Kendal |
| Kilkenny [borough] (1832 - 1918) |
|
| Kilmarnock District of Burghs (1832 - 1918) |
|
| Kincardineshire (1832 - 1918) |
|
| King's County Birr (1885 - 1918) |
|
| King's County Tullamore (1885 - 1918) |
|
| Kingston (1885 - 1918) |
Full name (in Craig 2) Surrey, Kingston |
| Kingston upon Hull West (1885 - 1918) |
Constituency of same name also existed 1955-1997. |
| Kirkcudbrightshire (1832 - 1918) |
|
| Lanarkshire Mid (1885 - 1918) |
|
| Lanarkshire North Eastern (1885 - 1918) |
|
| Lanarkshire North Western (1885 - 1918) |
|
| Lanarkshire Southern (1868 - 1918) |
|