Cities beginning with: I
in England
- Ibberton
- Ible
- Ibsley
- Ibstock
- Ibstone
- Ibthorpe
- Ibworth
- Icelton
- Ickburgh
- Ickenham
- Ickenthwaite
- Ickford
- Ickham
- Ickleford
- Ickles
- Icklesham
- Ickleton
- Icklingham
- Ickornshaw
- Ickwell
- Ickwell Green
- Icomb
- Icy Park
- Idbury
- Iddesleigh
- Ide
- Ide Hill
- Ideford
- Iden
- Iden Green
- Iden Green
- Idle
- Idle Moor
- Idless
- Idlicote
- Idmiston
- Idridgehay
- Idridgehay Green
- Idstone
- Iffley
- Ifield
- Ifield Green
- Ifieldwood
- Ifold
- Iford
- Iford
- Ifton Heath
- Ightfield
- Ightfield Heath
- Ightham
- Ightham Common
- Iken
- Ilam
- Ilchester
- Ilchester Mead
- Ilderton
- Ileden
- Ilford
- Ilford
- Ilfracombe
- Ilkeston
- Ilketshall St Andrew
- Ilketshall St Lawrence
- Ilketshall St Margaret
- Ilkley
- Illand
- Illey
- Illidge Green
- Illington
- Illingworth
- Illogan
- Illogan Highway
- Illshaw Heath
- Illston on the Hill
- Ilmer
- Ilmington
- Ilminster
- Ilsington
- Ilton
- Ilton
- Imber
- Immingham
- Impington
- Ince
- Ince Blundell
- Ince in Makerfield
- Inchbrook
- Inchs
- Indian Queens
- Ingatestone
- Ingbirchworth
- Ingerthorpe
- Ingestre
- Ingham
- Ingham
- Ingham
- Ingham Corner
- Ingleborough
- Ingleby
- Ingleby Arncliffe
- Ingleby Cross
- Ingleby Greenhow
- Ingleigh Green
- Inglemire
- Inglesbatch
- Inglesham
- Ingleton
- Ingleton
- Inglewhite
- Ingmanthorpe
- Ingoe
- Ingol
- Ingoldisthorpe
- Ingoldmells
- Ingoldsby
- Ingon
- Ingram
- Ingrams Green
- Ingrave
- Ingrow
- Ings
- Ingst
- Ingthorpe
- Ingworth
- Inhurst
- Inkberrow
- Inkerman
- Inkersall
- Inkersall Green
- Inkford
- Inkpen
- Inkpen Common
- Inlands
- Inmarsh
- Inner Hope
- Innox Hill
- Innsworth
- Inskip
- Inskip Moss Side
- Instoneville
- Instow
- Insworke
- Intack
- Intake
- Intake
- Intake
- Interfield
- Intwood
- Inwardleigh
- Inwood
- Inworth
- Iping
- Ipplepen
- Ipsden
- Ipsley
- Ipstones
- Ipswich
- Irby
- Irby in the Marsh
- Irby upon Humber
- Irchester
- Ireby
- Ireby
- Ireland
- Ireland
- Ireland Wood
- Ireland’s Cross
- Ireleth
- Ireshopeburn
- Ireton Wood
- Irlam
- Irlams o’ th’ Height
- Irnham
- Iron Acton
- Iron Bridge
- Iron Cross
- Ironbridge
- Irons Bottom
- Ironville
- Irstead Street
- Irthington
- Irthlingborough
- Irton
- Irwell Vale
- Isel
- Isfield
- Isham
- Isington
- Island Carr
- Islands Common
- Isle Abbotts
- Isle Brewers
- Isle of Axholme
- Isle of Dogs
- Isleham
- Isleworth
- Isley Walton
- Islington
- Islington
- Islip
- Islip
- Isombridge
- Istead Rise
- Itchen
- Itchen Abbas
- Itchen Stoke
- Itchingfield
- Itchington
- Itteringham
- Itteringham Common
- Ivegill
- Ivelet
- Iver
- Iver Heath
- Iverley
- Iveston
- Ivinghoe
- Ivinghoe Aston
- Ivington
- Ivy Chimneys
- Ivy Cross
- Ivy Hatch
- Ivy Todd
- Ivybridge
- Ivychurch
- Iwade
- Iwerne Courtney or Shroton
- Iwerne Minster
- Iwood
- Ixworth
- Ixworth Thorpe
in Northern Ireland
in Scotland
- Invergarry
- Invergelder
- Invergeldie
- Invergordon
- Invergowrie
- Inverguseran
- Inverie
- Inverinan
- Inverinate
- Inverkeilor
- Inverkeithing
- Inverkeithny
- Inverkip
- Inverkirkaig/Inbhir Chircaig
- Inverlair
- Inverleith
- Inverlochy
- Inverlussa
- Invermoidart
- Invermoriston
- Invernaver
- Inverneill
- Inverness
- Invernettie
- Invernoaden
- Inverroy