| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
| La Perouse | city | State of New South Wales | Australia | -33.9833333 | 151.2333333 | 3 | 131950 |
| Lacmalac | city | State of New South Wales | Australia | -35.3166667 | 148.3166667 | 1230 | 364 |
| Ladysmith | city | State of New South Wales | Australia | -35.2 | 147.5166667 | 767 | 1432 |
| Laggan | city | State of New South Wales | Australia | -34.4166667 | 149.5333333 | 2956 | 154 |
| Laguna | city | State of New South Wales | Australia | -32.9833333 | 151.1333333 | 508 | 2861 |
| Lake Albert | city | State of New South Wales | Australia | -35.1666667 | 147.3833333 | 807 | 1419 |
| Lake Bathurst | city | State of New South Wales | Australia | -35.0166667 | 149.65 | 2086 | 140 |
| Lake Cargellico | city | State of New South Wales | Australia | -33.3 | 146.3833333 | 521 | 61 |
| Lake Cargelligo | city | State of New South Wales | Australia | -33.3 | 146.3833333 | 521 | 61 |
| Lake Cowal | city | State of New South Wales | Australia | -33.6833333 | 147.3666667 | 921 | 98 |
| Lake Heights | city | State of New South Wales | Australia | -34.4866667 | 150.875 | 32 | 13050 |
| Lake Illawarra | city | State of New South Wales | Australia | -34.55 | 150.8666667 | 0 | 20145 |
| Lake View | city | State of New South Wales | Australia | -33.0666667 | 151.5833333 | 0 | 20518 |
| Lakemba | city | State of New South Wales | Australia | -33.9166667 | 151.0833333 | 16 | 327408 |
| Lakeside | city | State of New South Wales | Australia | -33.25 | 151.5 | 3 | 8735 |
| Lakesland | city | State of New South Wales | Australia | -34.1666667 | 150.5333333 | 797 | 1618 |
| Lallahrook | city | State of New South Wales | Australia | -35.3833333 | 146.8333333 | 416 | 145 |
| Lambton | city | State of New South Wales | Australia | -32.9166667 | 151.7 | 3 | 61541 |
| Landervale | city | State of New South Wales | Australia | -34.55 | 146.85 | 744 | 213 |
| Lane Cove | city | State of New South Wales | Australia | -33.8166667 | 151.1666667 | 6 | 264458 |
| Langley Vale | city | State of New South Wales | Australia | -31.8 | 152.5666667 | 587 | 1447 |
| Langtree | city | State of New South Wales | Australia | -33.6666667 | 145.5666667 | 295 | 19 |
| Langunya | city | State of New South Wales | Australia | -35.7333333 | 145.5666667 | 419 | 490 |
| Lankeys Creek | city | State of New South Wales | Australia | -35.8166667 | 147.6666667 | 1167 | 117 |
| Lansdale | city | State of New South Wales | Australia | -32.2333333 | 147.1833333 | 1030 | 60 |
| Larbert | city | State of New South Wales | Australia | -35.3 | 149.7666667 | 1692 | 89 |
| Largs | city | State of New South Wales | Australia | -32.7 | 151.6 | 85 | 12939 |
| Larnook | city | State of New South Wales | Australia | -28.65 | 153.1166667 | 803 | 2561 |
| Larras Lee | city | State of New South Wales | Australia | -33 | 148.85 | 1833 | 252 |
| Laughtondale | city | State of New South Wales | Australia | -33.4166667 | 151.0333333 | 426 | 30453 |
| Laura | city | State of New South Wales | Australia | -30.2166667 | 151.1333333 | 2165 | 226 |
| Laurel Hill | city | State of New South Wales | Australia | -35.6166667 | 148.0833333 | 1404 | 165 |
| Laurieton | city | State of New South Wales | Australia | -31.65 | 152.8 | 262 | 1238 |
| Lavadia | city | State of New South Wales | Australia | -29.7666667 | 153.1 | 495 | 476 |
| Lavington | city | State of New South Wales | Australia | -36.05 | 146.9333333 | 692 | 34723 |
| Lawrence | city | State of New South Wales | Australia | -29.4833333 | 153.1 | 101 | 1729 |
| Lawson | city | State of New South Wales | Australia | -33.7166667 | 150.4333333 | 1958 | 6329 |
| Leadville | city | State of New South Wales | Australia | -32 | 149.55 | 1122 | 99 |
| Leaning Oak | city | State of New South Wales | Australia | -32.6166667 | 149.3833333 | 1975 | 392 |
| Leechs Gully | city | State of New South Wales | Australia | -29.0166667 | 152.0333333 | 2913 | 117 |
| Leefield | city | State of New South Wales | Australia | -29.05 | 151.8333333 | 2844 | 117 |
| Leefields | city | State of New South Wales | Australia | -29.05 | 151.8333333 | 2844 | 117 |
| Leeton | city | State of New South Wales | Australia | -34.5666667 | 146.4 | 498 | 1180 |
| Leeville | city | State of New South Wales | Australia | -28.95 | 153 | 538 | 1652 |
| Legume | city | State of New South Wales | Australia | -28.4 | 152.3 | 1994 | 185 |
| Leichhardt | city | State of New South Wales | Australia | -33.8833333 | 151.15 | 3 | 431380 |
| Leigh | city | State of New South Wales | Australia | -30.25 | 152.7166667 | 2066 | 964 |
| Leniston | city | State of New South Wales | Australia | -35.65 | 145.6833333 | 429 | 490 |
| Lerida | city | State of New South Wales | Australia | -34.8833333 | 149.3333333 | 1902 | 131 |
| Lette | city | State of New South Wales | Australia | -34.3666667 | 143.1666667 | 226 | 19 |
| Leumeah | city | State of New South Wales | Australia | -34.05 | 150.8333333 | 282 | 51128 |
| Leura | city | State of New South Wales | Australia | -33.7166667 | 150.3333333 | 2326 | 6329 |
| Lewis Ponds | city | State of New South Wales | Australia | -33.2 | 149.25 | 1945 | 225 |
| Lewis Ponds | city | State of New South Wales | Australia | -33.2666667 | 149.2666667 | 1922 | 268 |
| Lewis Ponds Lower | city | State of New South Wales | Australia | -33.2 | 149.25 | 1945 | 225 |
| Leycester | city | State of New South Wales | Australia | -28.7833333 | 153.2 | 439 | 4162 |
| Lidcomb | city | State of New South Wales | Australia | -33.8666667 | 151.0333333 | 26 | 244590 |
| Lidcombe | city | State of New South Wales | Australia | -33.8666667 | 151.0333333 | 26 | 244590 |
| Liddell | city | State of New South Wales | Australia | -32.4166667 | 151.0333333 | 528 | 529 |
| Lidsdale | city | State of New South Wales | Australia | -33.4 | 150.0833333 | 2936 | 700 |
| Lidster | city | State of New South Wales | Australia | -33.2833333 | 149.0166667 | 2755 | 4279 |
| Lightning Ridge | city | State of New South Wales | Australia | -29.4333333 | 147.9833333 | 557 | 47 |
| Lilli Pilli | city | State of New South Wales | Australia | -34.0666667 | 151.1166667 | 0 | 59026 |
| Lillian Rock | city | State of New South Wales | Australia | -28.5333333 | 153.1666667 | 885 | 2799 |
| Lilyfield | city | State of New South Wales | Australia | -33.8761111 | 151.1655556 | 3 | 431380 |
| Limbri | city | State of New South Wales | Australia | -31.05 | 151.15 | 1994 | 355 |
| Limeburners Creek | city | State of New South Wales | Australia | -32.6166667 | 151.9166667 | 3 | 3016 |
| Limpinwood | city | State of New South Wales | Australia | -28.3 | 153.2166667 | 1013 | 2882 |
| Linburn | city | State of New South Wales | Australia | -32.4166667 | 149.7166667 | 1975 | 392 |
| Lincoln | city | State of New South Wales | Australia | -32.45 | 149.0333333 | 1269 | 267 |
| Linden | city | State of New South Wales | Australia | -33.7166667 | 150.5 | 1108 | 6329 |
| Lindfield | city | State of New South Wales | Australia | -33.7833333 | 151.1666667 | 124 | 191887 |
| Lionsville | city | State of New South Wales | Australia | -29.2 | 152.4833333 | 984 | 158 |
| Lisarow | city | State of New South Wales | Australia | -33.3833333 | 151.3666667 | 49 | 18234 |
| Lismore | city | State of New South Wales | Australia | -28.8 | 153.2666667 | 439 | 4369 |
| Liston | city | State of New South Wales | Australia | -28.65 | 152.0833333 | 2778 | 172 |
| Lithgow | city | State of New South Wales | Australia | -33.4833333 | 150.15 | 3005 | 700 |
| Little Bay | city | State of New South Wales | Australia | -33.9833333 | 151.2333333 | 3 | 131950 |
| Little Billabong | city | State of New South Wales | Australia | -35.5833333 | 147.5333333 | 997 | 242 |
| Little Plain | city | State of New South Wales | Australia | -29.7333333 | 150.9666667 | 2030 | 84 |
| Liverpool | city | State of New South Wales | Australia | -33.9 | 150.9333333 | 36 | 176985 |
| Llangothlin | city | State of New South Wales | Australia | -30.1333333 | 151.6833333 | 2923 | 126 |
| Lochiel | city | State of New South Wales | Australia | -36.95 | 149.8 | 367 | 551 |
| Lochinvar | city | State of New South Wales | Australia | -32.7 | 151.45 | 423 | 12119 |
| Lockhart | city | State of New South Wales | Australia | -35.2333333 | 146.7166667 | 492 | 145 |
| Locksley | city | State of New South Wales | Australia | -33.5166667 | 149.7833333 | 2552 | 176 |
| Lockwood | city | State of New South Wales | Australia | -33.4666667 | 148.6833333 | 1040 | 252 |
| Loftus | city | State of New South Wales | Australia | -34.05 | 151.05 | 49 | 68023 |
| Long Flat | city | State of New South Wales | Australia | -31.4333333 | 152.5 | 997 | 2013 |
| Long Jetty | city | State of New South Wales | Australia | -33.3666667 | 151.4833333 | 3 | 7729 |
| Long Park | city | State of New South Wales | Australia | -35.1333333 | 146.65 | 531 | 137 |
| Long Point | city | State of New South Wales | Australia | -34.0166667 | 150.9 | 157 | 55178 |
| Long Ridge | city | State of New South Wales | Australia | -31.35 | 149.5833333 | 1758 | 117 |
| Long Swamp | city | State of New South Wales | Australia | -33.7666667 | 149.3666667 | 2880 | 133 |
| Longford | city | State of New South Wales | Australia | -30.7666667 | 151.1166667 | 1187 | 348 |
| Longueville | city | State of New South Wales | Australia | -33.8327778 | 151.1663889 | 0 | 260806 |
| Loomberah | city | State of New South Wales | Australia | -31.1833333 | 151 | 1893 | 1322 |
| Lorn | city | State of New South Wales | Australia | -32.7333333 | 151.5666667 | 423 | 15630 |
| Lorne | city | State of New South Wales | Australia | -31.6666667 | 152.6166667 | 849 | 1755 |
| Lostock | city | State of New South Wales | Australia | -32.3333333 | 151.45 | 636 | 442 |
| Louisiana | city | State of New South Wales | Australia | -32.7166667 | 147.4 | 964 | 61 |
| Louth | city | State of New South Wales | Australia | -30.5333333 | 145.1166667 | 298 | 14 |
| Lowanna | city | State of New South Wales | Australia | -30.2166667 | 152.9 | 1253 | 7702 |
| Lower Acacia Creek | city | State of New South Wales | Australia | -28.4333333 | 152.25 | 1801 | 162 |
| Lower Belmore | city | State of New South Wales | Australia | -31.0833333 | 152.9833333 | 22 | 965 |
| Lower Boro | city | State of New South Wales | Australia | -35.1666667 | 149.7666667 | 1998 | 117 |
| Lower Botobolar | city | State of New South Wales | Australia | -32.5166667 | 149.7833333 | 1824 | 392 |
| Lower Bucca | city | State of New South Wales | Australia | -30.15 | 153.0833333 | 485 | 7220 |
| Lower Coldstream | city | State of New South Wales | Australia | -29.5833333 | 153.1333333 | 173 | 1666 |
| Lower Creek | city | State of New South Wales | Australia | -30.7333333 | 152.25 | 1007 | 117 |
| Lower Cudgera | city | State of New South Wales | Australia | -28.3833333 | 153.5666667 | 0 | 1561 |
| Lower Hawkesbury | city | State of New South Wales | Australia | -33.45 | 151.05 | 3 | 26436 |
| Lower Mangrove | city | State of New South Wales | Australia | -33.4 | 151.15 | 219 | 18764 |
| Lower Numba | city | State of New South Wales | Australia | -34.8833333 | 150.7166667 | 3 | 1593 |
| Lower Portland | city | State of New South Wales | Australia | -33.45 | 150.8833333 | 22 | 15244 |
| Lower Southgate | city | State of New South Wales | Australia | -29.55 | 153.0833333 | 75 | 497 |
| Lower Towamba | city | State of New South Wales | Australia | -37.1333333 | 149.75 | 209 | 551 |
| Lowesdale | city | State of New South Wales | Australia | -35.85 | 146.3666667 | 436 | 476 |
| Lowther | city | State of New South Wales | Australia | -33.6166667 | 150.1 | 2854 | 700 |
| Lucknow | city | State of New South Wales | Australia | -33.3833333 | 149.2 | 2805 | 8420 |
| Luddenham | city | State of New South Wales | Australia | -33.8833333 | 150.6833333 | 370 | 44396 |
| Lue | city | State of New South Wales | Australia | -32.6666667 | 149.85 | 1965 | 238 |
| Lugarno | city | State of New South Wales | Australia | -33.9833333 | 151.0333333 | 9 | 179276 |
| Lynch's Creek | city | State of New South Wales | Australia | -28.45 | 153 | 1023 | 355 |
| Lynchʼs Creek | city | State of New South Wales | Australia | -28.45 | 153 | 1023 | 355 |
| Lyndhurst | city | State of New South Wales | Australia | -33.6666667 | 149.0333333 | 2221 | 223 |
| Lyndhurst | city | State of New South Wales | Australia | -30.3166667 | 152.05 | 4015 | 120 |
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