| Hackney North and Stoke Newington | England | E14001259 |
| Hackney South and Shoreditch | England | E14001260 |
| Halesowen | England | E14001261 |
| Halifax | England | E14001262 |
| Hamble Valley | England | E14001263 |
| Hamilton and Clyde Valley | Scotland | S14000092 |
| Hammersmith and Chiswick | England | E14001264 |
| Hampstead and Highgate | England | E14001265 |
| Harborough, Oadby and Wigston | England | E14001266 |
| Harlow | England | E14001267 |
| Harpenden and Berkhamsted | England | E14001268 |
| Harrogate and Knaresborough | England | E14001269 |
| Harrow East | England | E14001270 |
| Harrow West | England | E14001271 |
| Hartlepool | England | E14001272 |
| Harwich and North Essex | England | E14001273 |
| Hastings and Rye | England | E14001274 |
| Havant | England | E14001275 |
| Hayes and Harlington | England | E14001276 |
| Hazel Grove | England | E14001277 |
| Hemel Hempstead | England | E14001278 |
| Hendon | England | E14001279 |
| Henley and Thame | England | E14001280 |
| Hereford and South Herefordshire | England | E14001281 |
| Herne Bay and Sandwich | England | E14001282 |
| Hertford and Stortford | England | E14001283 |
| Hertsmere | England | E14001284 |
| Hexham | England | E14001285 |
| Heywood and Middleton North | England | E14001286 |
| High Peak | England | E14001287 |
| Hinckley and Bosworth | England | E14001288 |
| Hitchin | England | E14001289 |
| Holborn and St Pancras | England | E14001290 |
| Honiton and Sidmouth | England | E14001291 |
| Hornchurch and Upminster | England | E14001292 |
| Hornsey and Friern Barnet | England | E14001293 |
| Horsham | England | E14001294 |
| Houghton and Sunderland South | England | E14001295 |
| Hove and Portslade | England | E14001296 |
| Huddersfield | England | E14001297 |
| Huntingdon | England | E14001298 |
| Hyndburn | England | E14001299 |