| Irondale, Georgia | Iron City, Georgia | Irwinton, Georgia |
| Iroquois Point, HawaiiIroquois Point is a census-designated place located in Honolulu County, Hawaii. As of the 2000 census, the CDP had a total population of 2,462. Geography Iroquois Point is located at 21°19'46" North, 157°58'51" West (21. 329350, -157. According to the Uni | Irwin, IdahoIrwin is a city located in Bonneville County, Idaho. As of the 2000 census, the city had a total population of 157. Geography Irwin is located at 43°23'18" North, 111°16'5" West (43. 388220, -111. According to the United States Census Bureau, the city has | Iroquois, IllinoisIroquois is a village located in Iroquois County, Illinois. As of the 2000 census, the village had a total population of 207. Geography Iroquois is located at 40°49'40" North, 87°35'1" West (40. 827880, -87. According to the United States Census Bureau, t |
| Irwin, IllinoisIrwin is a village located in Kankakee County, Illinois. As of the 2000 census, the village had a total population of 92. Geography Irwin is located at 41°3'10" North, 87°59'8" West (41. 052757, -87. According to the United States Census Bureau, the villa | Irving, IllinoisIrving is a village located in Montgomery County, Illinois. As of the 2000 census, the village had a total population of 2,484. Geography Irving is located at 39°12'21" North, 89°24'19" West (39. 205736, -89. According to the United States Census Bureau, | Irvington, IllinoisIrvington is a village located in Washington County, Illinois. As of the 2000 census, the village had a total population of 736. Geography Irvington is located at 38°26'19" North, 89°9'40" West (38. 438536, -89. According to the United States Census Burea |
| Irwin, IowaIrwin is a city located in Shelby County, Iowa. As of the 2000 census, the city had a total population of 372. Geography Irwin is located at 41°47'26" North, 95°12'26" West (41. 790449, -95. According to the United States Census Bureau, the city has a tot | Ireton, IowaIreton is a city located in Sioux County, Iowa. As of the 2000 census, the city had a total population of 585. Geography Ireton is located at 42°58'27" North, 96°19'4" West (42. 974206, -96. According to the United States Census Bureau, the city has a tot | Irvington, KentuckyIrvington is a city located in Breckinridge County, Kentucky. As of the 2000 census, the city had a total population of 1,257. Geography Irvington is located at 37°52'44" North, 86°17'5" West (37. 878966, -86. According to the United States Census Bureau, |
| Irvine, Kentucky | Irving Township, Michigan | Iron Mountain, Michigan |
| Ironwood, Michigan | Ironwood Township, Michigan | Iron River, Michigan |
| Iron River Township, Michigan | Irondale Township, Minnesota | Ironton, Minnesota |
| Iron Range Township, Minnesota | Irving Township, Minnesota | Iron Junction, Minnesota |
| Ironton, Missouri | Iron Mountain Lake, Missouri | Irondale, Missouri |
| Irena, Missouri | Ira Township, Michigan | Irvington, New Jersey |
| Ira, New York | Irvington, New York | Irondale, Ohio |
| Ironton, Ohio | Iron Post, Oklahoma | Irrigon, Oregon |
| Irvona, Pennsylvania | Irwin Township, Pennsylvania | Irwin, Pennsylvania |
| Irwin, South Carolina | Iredell, Texas | Irving, Texas |
| Iraan, Texas | Irasburg, Vermont | Ira, Vermont |
| Iron Gate, Virginia | Irvington, Virginia | Iron River, Wisconsin |
| Iron Ridge, Wisconsin | Irving, Wisconsin | Ira Levin |
| Irish Sea | Irv Rubin | Irstead |
| Iron ore | Ireland | Irish House of Commons |
| Irmo, South Carolina | Iroquois, South Dakota | Irene, South Dakota |
| Iron City, Tennessee | Irish Republic | Iron Eagle |
| Iraq and weapons of mass destruction | Irčne Jacob | Ira Einhorn |
| Irvington | Irene Sáez | Iron deficiency (plant disorder) |
| Iron deficiency | Iron deficiency (medicine) | Iron (II) sulfate |
| Irish Social Season | Iron Maiden (band) | Iron maiden |
| Irish farm subdivision | Iraq | Irish 'Pro-Life Amendment' |
| Irish Parliament | Irish Famine of 1740-41 | Iraqi Regular Army |
| Ironweed | Iran Air | Irish statues and their nicknames |
| Irish Independent | Irish States (1171-present) | Iraqi Turkoman |
| Irving Thalberg | Ira Flatow | Iraqi Republican Guard |
| Irish potato famine (footnotes) | Irish potato famine (legacy) | Iranian languages |
| Iron Butterfly | Irene Dunne | IRCle |
| Iraqi Airways | Irish Bishops Conference | Iris (2001 movie) |
| Iriya Yoshiaki | IR | Irish whiskey |
| Irreducible polynomial | Iraqi opposition | Irish Declaration of Independence |