| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
| Lafayette | city | Rhode Island | United States | 41.57056 | -71.47778 | 52 | 20392 |
| Lakewood | city | Rhode Island | United States | 41.75917 | -71.40889 | 6 | 181960 |
| Langworthy Corner | city | Rhode Island | United States | 41.34194 | -71.76917 | 32 | 20044 |
| Laurel Hill | city | Rhode Island | United States | 41.96778 | -71.70944 | 396 | 10166 |
| Laurel Park | city | Rhode Island | United States | 41.71861 | -71.26361 | 98 | 46719 |
| Lawtons | city | Rhode Island | United States | 41.55667 | -71.30278 | 98 | 27246 |
| Leonard Corner | city | Rhode Island | United States | 41.81083 | -71.35972 | 95 | 137768 |
| Lewis City | city | Rhode Island | United States | 41.5975 | -71.71111 | 223 | 3856 |
| Liberty | city | Rhode Island | United States | 41.54 | -71.57389 | 164 | 10582 |
| Lime Rock | city | Rhode Island | United States | 41.92861 | -71.45083 | 206 | 59175 |
| Lincoln Park | city | Rhode Island | United States | 41.7375 | -71.43444 | 29 | 120694 |
| Lippitt | city | Rhode Island | United States | 41.72139 | -71.52528 | 160 | 74188 |
| Lippitt Estate | city | Rhode Island | United States | 41.95611 | -71.42056 | 298 | 59175 |
| Little Compton | city | Rhode Island | United States | 41.51 | -71.17167 | 98 | 7494 |
| Lockwood Corner | city | Rhode Island | United States | 41.7125 | -71.39861 | 19 | 107621 |
| Locustville | city | Rhode Island | United States | 41.51 | -71.7125 | 98 | 6386 |
| Longmeadow | city | Rhode Island | United States | 41.70417 | -71.375 | 6 | 34197 |
| Lonsdale | city | Rhode Island | United States | 41.90722 | -71.40417 | 75 | 164382 |
| Luthers Corners | city | Rhode Island | United States | 41.80833 | -71.33972 | 29 | 137768 |
| Lymansville | city | Rhode Island | United States | 41.84139 | -71.47306 | 98 | 137836 |
|
|