| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| La Grande | city | Oregon | United States | 45.32 | -118.09 | 2795 | |
| La Pine | city | Oregon | United States | 43.67 | -121.50 | 4235 | |
| Labish Center | city | Oregon | United States | 45.03 | -122.91 | 157 | |
| Labish Village | city | Oregon | United States | 45.02 | -122.97 | 127 | |
| Lachmund (historical) | city | Oregon | United States | 44.94 | -122.95 | 200 | |
| Lacomb | city | Oregon | United States | 44.59 | -122.74 | 830 | |
| Ladd Hill | city | Oregon | United States | 45.27 | -122.86 | 203 | |
| Lafayette | city | Oregon | United States | 45.24 | -123.11 | 98 | |
| Lake Creek | city | Oregon | United States | 42.42 | -122.62 | 1801 | |
| Lake Grove (historical) | city | Oregon | United States | 45.40 | -122.72 | 200 | |
| Lake Oswego | city | Oregon | United States | 45.42 | -122.67 | 200 | |
| Lake of the Woods | city | Oregon | United States | 42.38 | -122.21 | 5029 | |
| Lakebrook | city | Oregon | United States | 45.03 | -123.05 | 114 | |
| Lakeport (historical) | city | Oregon | United States | 42.90 | -124.50 | 3 | |
| Lakeside | city | Oregon | United States | 43.58 | -124.18 | 9 | |
| Lakeview | city | Oregon | United States | 42.19 | -120.35 | 5029 | |
| Lakewood | city | Oregon | United States | 45.41 | -122.67 | 200 | |
| Lamonta (historical) | city | Oregon | United States | 44.47 | -121.04 | 3349 | |
| Lampa (historical) | city | Oregon | United States | 43.12 | -124.29 | 337 | |
| Lancaster | city | Oregon | United States | 44.25 | -123.20 | 301 | |
| Langell Valley | city | Oregon | United States | 42.01 | -121.23 | 4199 | |
| Langlois | city | Oregon | United States | 42.92 | -124.45 | 193 | |
| Latham | city | Oregon | United States | 43.78 | -123.06 | 830 | |
| Latourell | city | Oregon | United States | 45.54 | -122.22 | 400 | |
| Laurel | city | Oregon | United States | 45.42 | -122.99 | 200 | |
| Laurel Grove | city | Oregon | United States | 43.03 | -124.41 | 101 | |
| Laurelhurst | city | Oregon | United States | 45.53 | -122.62 | 200 | |
| Laurelwood | city | Oregon | United States | 45.42 | -123.08 | 252 | |
| Lavadoure (historical) | city | Oregon | United States | 42.94 | -123.10 | 997 | |
| Lawen | city | Oregon | United States | 43.44 | -118.80 | 4189 | |
| Leaburg | city | Oregon | United States | 44.11 | -122.68 | 830 | |
| Lebanon | city | Oregon | United States | 44.54 | -122.91 | 377 | |
| Lee (historical) | city | Oregon | United States | 43.17 | -124.07 | 200 | |
| Lehman Springs | city | Oregon | United States | 45.15 | -118.66 | 5029 | |
| Leland | city | Oregon | United States | 42.64 | -123.44 | 1197 | |
| Lena | city | Oregon | United States | 45.40 | -119.28 | 2585 | |
| Leneve | city | Oregon | United States | 43.21 | -124.27 | 200 | |
| Lents | city | Oregon | United States | 45.48 | -122.57 | 259 | |
| Lenz | city | Oregon | United States | 45.63 | -121.52 | 830 | |
| Leona | city | Oregon | United States | 43.70 | -123.29 | 830 | |
| Lewis | city | Oregon | United States | 45.69 | -117.09 | 4189 | |
| Lewisburg | city | Oregon | United States | 44.63 | -123.24 | 275 | |
| Lewisville | city | Oregon | United States | 44.79 | -123.35 | 285 | |
| Lexington | city | Oregon | United States | 45.45 | -119.68 | 1669 | |
| Libby | city | Oregon | United States | 43.34 | -124.23 | 200 | |
| Liberal | city | Oregon | United States | 45.19 | -122.59 | 331 | |
| Liberty | city | Oregon | United States | 44.89 | -123.06 | 830 | |
| Liberty | city | Oregon | United States | 44.43 | -122.79 | 830 | |
| Lime | city | Oregon | United States | 44.41 | -117.31 | 2509 | |
| Lincoln | city | Oregon | United States | 42.11 | -122.40 | 4189 | |
| Lincoln | city | Oregon | United States | 45.02 | -123.08 | 124 | |
| Lincoln Beach | city | Oregon | United States | 44.85 | -124.05 | 16 | |
| Lincoln City | city | Oregon | United States | 44.96 | -124.02 | 114 | |
| Lindbergh | city | Oregon | United States | 46.07 | -122.91 | 275 | |
| Linnton | city | Oregon | United States | 45.60 | -122.79 | 200 | |
| Linslaw | city | Oregon | United States | 44.00 | -123.68 | 830 | |
| Linville (historical) | city | Oregon | United States | 44.44 | -123.98 | 830 | |
| Little Albany | city | Oregon | United States | 44.40 | -123.91 | 830 | |
| Little Alps | city | Oregon | United States | 44.97 | -118.18 | 7004 | |
| Little Elk (historical) | city | Oregon | United States | 44.65 | -123.79 | 200 | |
| Little Switzerland | city | Oregon | United States | 44.40 | -123.90 | 830 | |
| Locust Grove | city | Oregon | United States | 45.60 | -120.79 | 1197 | |
| Logan | city | Oregon | United States | 45.34 | -122.42 | 400 | |
| Logsden | city | Oregon | United States | 44.74 | -123.79 | 200 | |
| London | city | Oregon | United States | 43.63 | -123.09 | 898 | |
| London Springs | city | Oregon | United States | 43.63 | -123.09 | 898 | |
| Lone Elder | city | Oregon | United States | 45.23 | -122.68 | 157 | |
| Lonerock | city | Oregon | United States | 45.09 | -119.88 | 3349 | |
| Long Creek | city | Oregon | United States | 44.71 | -119.10 | 3776 | |
| Looking Glass (historical) | city | Oregon | United States | 45.71 | -117.84 | 2900 | |
| Lookingglass | city | Oregon | United States | 43.18 | -123.49 | 830 | |
| Lorane | city | Oregon | United States | 43.84 | -123.24 | 830 | |
| Lorella | city | Oregon | United States | 42.14 | -121.27 | 4199 | |
| Lost Lake Resort | city | Oregon | United States | 45.50 | -121.82 | 3451 | |
| Lost Valley (historical) | city | Oregon | United States | 45.06 | -120.00 | 4189 | |
| Lostine | city | Oregon | United States | 45.49 | -117.43 | 3398 | |
| Low Pass | city | Oregon | United States | 44.19 | -123.45 | 830 | |
| Lowell | city | Oregon | United States | 43.92 | -122.78 | 830 | |
| Lower Bridge (historical) | city | Oregon | United States | 44.36 | -121.29 | 2608 | |
| Lukarilla | city | Oregon | United States | 45.83 | -123.60 | 921 | |
| Lunnville | city | Oregon | United States | 45.35 | -123.17 | 200 | |
| Lyons | city | Oregon | United States | 44.77 | -122.62 | 830 |