Cities
- Inverness
- Inverurie
- Insch
- Ibstock
- Ilford
- Ilfracombe
- Ilkeston
- Ilkley
- Ilminster
- Immingham
- Ince
- Ingatestone
- Ingham
- Ingliston
- Inkberrow
- Innerleithen
- Inveraray
- Invergordon
- Inverkeithing
- Ipswich
- Irchester
- Irlam
- Irthlingborough
- Irvine
- Isle of Arran
- Isle of Bute
- Isle of Lewis
- Isle of Sheppey
- Isle of South Uist
- Isle of Wight
- Isleworth
- Islington
- Islip
- Itchen Abbas
- Iver
- Ivybridge
- Illingworth
- Iwade
- Iver Heath
- Ingestre
- Ireland
- Intake
- Iden Green
- Illogan Highway
- Idle Moor
- Inner Hebrides
- Inverness Shire
