- Keady
- Johnstone
- Jedburgh
- Jarrow
- Ixworth
- Ivybridge
- Ivinghoe
- Iver
- Islington
- Isleham
- Isle Of Mull
- Irvine
- Irthlingborough
- Irlam
- Irchester
- Ipswich
- Ipplepen
- Inverurie
- Inverness
- Inverkeithing
- Invergordon
- Inverbervie
- Innerleithen
- Ingoldmells
- Ingleton
- Ingleby Greenhow
- Ingatestone
- Ince-in-Makerfield
- Immingham
- Ilminster
- Ilkley
- Ilkeston
- Ilfracombe
- Ilchester
- Ibstock
- Hyde
- Huyton
- Hurstpierpoint
- Huntly
- Huntingdon
- Hunstanton
- Hunmanby
- Hungerford
- Humberston
- Hulme
- Hull
- Huddersfield
- Hucknall
- Hoyland Nether
- Hoylake
- Howden
- Hove
- Houston
- Houghton-le-Spring
- Horwich
- Horsham
- Horsforth
- Horsford
- Horrabridge
- Hornsea
- Hornchurch
- Horncastle
- Horley
- Horbury
- Hopton on Sea
- Hook
- Hoo
- Honiton
- Holywood
- Holywell
- Holytown
- Holyhead
- Holton le Clay
- Holsworthy
- Holmfirth
- Holmes Chapel
- Hollingworth
- Holbeach
- Hoddesdon
- Hockley
- Hitchin
- Histon
- Hinton
- Hingham
- Hindley
- Hindhead
- Hinckley
- Hinchley Wood
- Hillsborough
- Highworth
- Hightown
- Highley
- Highclere
- Highbridge
- Higham Ferrers
- High Wycombe
- High Valleyfield
- High Etherley
- High Blantyre
- High Bentham
