- Irby in the Marsh
- Ireshopeburn
- Irons Bottom
- Ironville
- Irton
- Irwell Vale
- Isington
- Isle Abbotts
- Isla de Wight
- Isles of Scilly
- Isleworth Ait
- Istead Rise
- Iverley
- Iveston
- Ivinghoe Aston
- Ivington
- Ivy Hatch
- Ivy Todd
- Ickenham
- Isleworth
- Ilderton
- Ingleton
- Ingoe
- Ingram
- Ince-in-Makerfield
- Inglewhite
- Ingmire Hall
- Inskip
- Ireby
- Ireleth