| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
| Ilarwill | city | State of New South Wales | Australia | -29.4833333 | 153.1833333 | 29 | 1988 |
| Ilford | city | State of New South Wales | Australia | -32.9666667 | 149.8666667 | 2706 | 126 |
| Ilililiwa | city | State of New South Wales | Australia | -34.45 | 145 | 285 | 42 |
| Illabo | city | State of New South Wales | Australia | -34.8166667 | 147.75 | 918 | 355 |
| Illawong | city | State of New South Wales | Australia | -34 | 151.0333333 | 3 | 100796 |
| Illewong | city | State of New South Wales | Australia | -31.6166667 | 145.95 | 997 | 14 |
| Illilliwa | city | State of New South Wales | Australia | -34.45 | 145 | 285 | 42 |
| Iluka | city | State of New South Wales | Australia | -29.4166667 | 153.35 | 0 | 1203 |
| Ingebirah | city | State of New South Wales | Australia | -36.65 | 148.5 | 2854 | 366 |
| Ingebyra | city | State of New South Wales | Australia | -36.65 | 148.5 | 2854 | 366 |
| Ingebyrah | city | State of New South Wales | Australia | -36.65 | 148.5 | 2854 | 366 |
| Ingleba | city | State of New South Wales | Australia | -31.3833333 | 147.85 | 757 | 42 |
| Ingleba | city | State of New South Wales | Australia | -31.2 | 151.4333333 | 1607 | 71 |
| Ingleburn | city | State of New South Wales | Australia | -34 | 150.8666667 | 134 | 54563 |
| Inglega | city | State of New South Wales | Australia | -31.3833333 | 147.85 | 757 | 42 |
| Inveralochy | city | State of New South Wales | Australia | -34.9666667 | 149.65 | 1512 | 140 |
| Inverary Park | city | State of New South Wales | Australia | -34.8833333 | 149.9833333 | 1820 | 145 |
| Inverell | city | State of New South Wales | Australia | -29.7833333 | 151.1166667 | 2004 | 444 |
| Iogebyra | city | State of New South Wales | Australia | -36.65 | 148.5 | 2854 | 366 |
| Iona | city | State of New South Wales | Australia | -32.6666667 | 151.6 | 72 | 12939 |
| Ironbarks | city | State of New South Wales | Australia | -33.6833333 | 147.9 | 997 | 227 |
| Irondale | city | State of New South Wales | Australia | -33.3833333 | 150.0166667 | 3021 | 700 |
| Ironmungy | city | State of New South Wales | Australia | -36.5833333 | 148.9333333 | 2765 | 292 |
| Irrawang | city | State of New South Wales | Australia | -32.7333333 | 151.75 | 22 | 7970 |
| Isabella | city | State of New South Wales | Australia | -33.95 | 149.6666667 | 1984 | 183 |
| Island Bend | city | State of New South Wales | Australia | -36.3166667 | 148.4833333 | 3927 | 367 |
| Ivanhoe | city | State of New South Wales | Australia | -32.9 | 144.3 | 275 | 5 |
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