| Hemsworth |
Full name (in Craig 3,4) Yorkshire (West Riding), Hemsworth |
| Hendon |
Constituency of same name also existed 1918-1945. |
| Hendon |
Full name (in Craig 3) Middlesex, Hendon. Constituency of same name reformed 1997. |
| Hendon North |
Constituency of same name also existed 1945-1974¹. |
| Hendon North |
Constituency first used at the February General election of 1974 (28/02/1974). Constituency of same name also existed 1983-1997. |
| Hendon South |
Constituency of same name also existed 1945-1974¹. |
| Hendon South |
Constituency first used at the February General election of 1974 (28/02/1974). Constituency of same name also existed 1983-1997. |
| Henley |
Full name (in Craig 2,3,4) Oxfordshire, Henley |
| Henley and Thame |
|
| Hereford |
Full name (in Craig 3,4) Herefordshire, Hereford |
| Hereford and Herefordshire South |
Largely replaced Hereford constituency |
| Herefordshire |
|
| Herefordshire North |
|
| Herne Bay and Sandwich |
|
| Hertford |
Constituency first used at the February General election of 1974 (28/02/1974). Full name (in Craig 2,3,4) Hertfordshire, Hertford |
| Hertford and Stevenage |
Constituency first used at the February General election of 1974 (28/02/1974). |
| Hertford and Stortford |
|
| Hertfordshire |
|
| Hertfordshire East |
|
| Hertfordshire North |
|
| Hertfordshire North East |
|
| Hertfordshire South |
Constituency first used at the February General election of 1974 (28/02/1974). |
| Hertfordshire South West |
|
| Hertfordshire West |
|
| Hertsmere |
|