Ja

|- class="vcard" | class="fn org" | Jackfield | class="adr" | Shropshire | class="note" | | class="note" | |- class="vcard" | class="fn org" | Jack Green | class="adr" | Lancashire | class="note" | | class="note" | |- class="vcard" | class="fn org" | Jack Hayes | class="adr" | Staffordshire | class="note" | | class="note" | |- class="vcard" | class="fn org" | Jack-in-the-Green | class="adr" | Devon | class="note" | | class="note" | |- class="vcard" | class="fn org" | Jacksdale | class="adr" | Nottinghamshire | class="note" | | class="note" | |- class="vcard" | class="fn org" | Jack's Green | class="adr" | Gloucestershire | class="note" | | class="note" | |- class="vcard" | class="fn org" | Jack's Green | class="adr" | Essex | class="note" | | class="note" | |- class="vcard" | class="fn org" | Jack's Hatch | class="adr" | Essex | class="note" | | class="note" | |- class="vcard" | class="fn org" | Jackson Bridge | class="adr" | Kirklees | class="note" | | class="note" | |- class="vcard" | class="fn org" | Jacobstow | class="adr" | Cornwall | class="note" | | class="note" | |- class="vcard" | class="fn org" | Jacobstowe | class="adr" | Devon | class="note" | | class="note" | |- class="vcard" | class="fn org" | Jacobs Well | class="adr" | Surrey | class="note" | | class="note" | |- class="vcard" | class="fn org" | Jagger Green | class="adr" | Calderdale | class="note" | | class="note" | |- class="vcard" | class="fn org" | Jameston | class="adr" | Pembrokeshire | class="note" | | class="note" | |- class="vcard" | class="fn org" | Jamestown | class="adr" | Highland | class="note" | | class="note" | |- class="vcard" | class="fn org" | Jamestown | class="adr" | West Dunbartonshire | class="note" | | class="note" | |- class="vcard" | class="fn org" | Jamphlars | class="adr" | Fife | class="note" | | class="note" | |- class="vcard" | class="fn org" | Janetstown (near Thurso) | class="adr" | Highland | class="note" | | class="note" | |- class="vcard" | class="fn org" | Janetstown (Wick) | class="adr" | Highland | class="note" | | class="note" | |- class="vcard" | class="fn org" | Janke's Green | class="adr" | Essex | class="note" | | class="note" | |- class="vcard" | class="fn org" | Jarrow | class="adr" | South Tyneside | class="note" | | class="note" | |- class="vcard" | class="fn org" | Jarvis Brook | class="adr" | East Sussex | class="note" | | class="note" | |- class="vcard" | class="fn org" | Jasper's Green | class="adr" | Essex | class="note" | | class="note" | |- class="vcard" | class="fn org" | Java | class="adr" | Argyll and Bute | class="note" | | class="note" | |- class="vcard" | class="fn org" | Jaw Hill | class="adr" | Leeds | class="note" | | class="note" | |- class="vcard" | class="fn org" | Jaywick | class="adr" | Essex | class="note" | | class="note" |

Je-Ji

|- class="vcard" | class="fn org" | Jealott's Hill | class="adr" | Berkshire | class="note" | | class="note" | |- class="vcard" | class="fn org" | Jeaniefield | class="adr" | Scottish Borders | class="note" | | class="note" | |- class="vcard" | class="fn org" | Jedburgh | class="adr" | Scottish Borders | class="note" | | class="note" | |- class="vcard" | class="fn org" | Jeffreyston | class="adr" | Pembrokeshire | class="note" | | class="note" | |- class="vcard" | class="fn org" | Jemimaville | class="adr" | Highland | class="note" | | class="note" | |- class="vcard" | class="fn org" | Jennetts Hill | class="adr" | Berkshire | class="note" | | class="note" | |- class="vcard" | class="fn org" | Jennyfield | class="adr" | North Yorkshire | class="note" | | class="note" | |- class="vcard" | class="fn org" | Jerby East | class="adr" | Isle of Man | class="note" | | class="note" | |- class="vcard" | class="fn org" | Jericho | class="adr" | Bury | class="note" | | class="note" | |- class="vcard" | class="fn org" | Jersey Marine | class="adr" | Neath Port Talbot | class="note" | | class="note" | |- class="vcard" | class="fn org" | Jerviswood | class="adr" | South Lanarkshire | class="note" | | class="note" | |- class="vcard" | class="fn org" | Jesmond | class="adr" | Newcastle upon Tyne | class="note" | | class="note" | |- class="vcard" | class="fn org" | Jevington | class="adr" | East Sussex | class="note" | | class="note" | |- class="vcard" | class="fn org" | Jewell's Cross | class="adr" | Devon | class="note" | | class="note" | |- class="vcard" | class="fn org" | Jingle Street | class="adr" | Monmouthshire | class="note" | | class="note" |

Jo

|- class="vcard" | class="fn org" | Jockey End | class="adr" | Hertfordshire | class="note" | | class="note" | |- class="vcard" | class="fn org" | Jodrell Bank | class="adr" | Cheshire | class="note" | | class="note" | |- class="vcard" | class="fn org" | Johnby | class="adr" | Cumbria | class="note" | | class="note" | |- class="vcard" | class="fn org" | John O'Gaunt | class="adr" | Leicestershire | class="note" | | class="note" | |- class="vcard" | class="fn org" | John O'Gaunts | class="adr" | Leeds | class="note" | | class="note" | |- class="vcard" | class="fn org" | John o' Groats | class="adr" | Highland | class="note" | | class="note" | |- class="vcard" | class="fn org" | John's Cross | class="adr" | East Sussex | class="note" | | class="note" | |- class="vcard" | class="fn org" | Johnshaven | class="adr" | Aberdeenshire | class="note" | | class="note" | |- class="vcard" | class="fn org" | Johnson Fold | class="adr" | Bolton | class="note" | | class="note" | |- class="vcard" | class="fn org" | Johnson's Hillock | class="adr" | Lancashire | class="note" | | class="note" | |- class="vcard" | class="fn org" | Johnson Street | class="adr" | Norfolk | class="note" | | class="note" | |- class="vcard" | class="fn org" | Johnston | class="adr" | Pembrokeshire | class="note" | | class="note" | |- class="vcard" | class="fn org" | Johnstone | class="adr" | Renfrewshire | class="note" | | class="note" | |- class="vcard" | class="fn org" | Johnstonebridge | class="adr" | Dumfries and Galloway | class="note" | | class="note" | |- class="vcard" | class="fn org" | Johnston's Point | class="adr" | Argyll and Bute | class="note" | | class="note" | |- class="vcard" | class="fn org" | Johnstown | class="adr" | Carmarthenshire | class="note" | | class="note" | |- class="vcard" | class="fn org" | Johnstown | class="adr" | Wrexham | class="note" | | class="note" | |- class="vcard" | class="fn org" | Jolly's Bottom | class="adr" | Cornwall | class="note" | | class="note" | |- class="vcard" | class="fn org" | Joppa | class="adr" | Cornwall | class="note" | | class="note" | |- class="vcard" | class="fn org" | Joppa | class="adr" | South Ayrshire | class="note" | | class="note" | |- class="vcard" | class="fn org" | Joppa | class="adr" | City of Edinburgh | class="note" | | class="note" | |- class="vcard" | class="fn org" | Jordan | class="adr" | Rotherham | class="note" | | class="note" | |- class="vcard" | class="fn org" | Jordan Green | class="adr" | Norfolk | class="note" | | class="note" | |- class="vcard" | class="fn org" | Jordanhill | class="adr" | City of Glasgow | class="note" | | class="note" | |- class="vcard" | class="fn org" | Jordans | class="adr" | Buckinghamshire | class="note" | | class="note" | |- class="vcard" | class="fn org" | Jordanston | class="adr" | Pembrokeshire | class="note" | | class="note" | |- class="vcard" | class="fn org" | Jordanthorpe | class="adr" | Sheffield | class="note" | | class="note" | |- class="vcard" | class="fn org" | Joyden's Wood | class="adr" | Kent | class="note" | | class="note" | |- class="vcard" | class="fn org" | Joyford | class="adr" | Gloucestershire | class="note" | | class="note" | |- class="vcard" | class="fn org" | Joy's Green | class="adr" | Gloucestershire | class="note" | | class="note" |

Ju

|- class="vcard" | class="fn org" | Jubilee | class="adr" | Oldham | class="note" | | class="note" | |- class="vcard" | class="fn org" | Jugbank | class="adr" | Staffordshire | class="note" | | class="note" | |- class="vcard" | class="fn org" | Jump | class="adr" | Barnsley | class="note" | | class="note" | |- class="vcard" | class="fn org" | Jumpers Common | class="adr" | Dorset | class="note" | | class="note" | |- class="vcard" | class="fn org" | Jumper's Town | class="adr" | East Sussex | class="note" | | class="note" | |- class="vcard" | class="fn org" | Junction | class="adr" | North Yorkshire | class="note" | | class="note" | |- class="vcard" | class="fn org" | Juniper Green | class="adr" | City of Edinburgh | class="note" | | class="note" | |- class="vcard" | class="fn org" | Jura | class="adr" | Argyll and Bute | class="note" | | class="note" | |- class="vcard" | class="fn org" | Jurby Head | class="adr" | Isle of Man | class="note" | | class="note" | |- class="vcard" | class="fn org" | Jurby West | class="adr" | Isle of Man | class="note" | | class="note" | |- class="vcard" | class="fn org" | Jurston | class="adr" | Devon | class="note" | | class="note" | |- class="vcard" | class="fn org" | Jury's Gap | class="adr" | East Sussex | class="note" | | class="note" | |}