| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
| L'Anse Noire | city | County of Saint David | Trinidad and Tobago | 10.8333333 | -60.9666667 | 108 | 4116 |
| La Basse | city | Port-of-Spain | Trinidad and Tobago | 10.65 | -61.5 | 111 | 99230 |
| La Brea | city | County of Saint Patrick | Trinidad and Tobago | 10.25 | -61.6166667 | 0 | 17047 |
| La Brea Village | city | County of Saint Patrick | Trinidad and Tobago | 10.25 | -61.6166667 | 0 | 17047 |
| La Carriere | city | County of Victoria | Trinidad and Tobago | 10.3166667 | -61.45 | 16 | 65640 |
| La Carriere Village | city | County of Victoria | Trinidad and Tobago | 10.3166667 | -61.45 | 16 | 65640 |
| La Carrière | city | County of Victoria | Trinidad and Tobago | 10.3166667 | -61.45 | 16 | 65640 |
| La Carrière Village | city | County of Victoria | Trinidad and Tobago | 10.3166667 | -61.45 | 16 | 65640 |
| La Finette | city | County of Saint George | Trinidad and Tobago | 10.7333333 | -61.5166667 | 688 | 92264 |
| La Lune | city | County of Victoria | Trinidad and Tobago | 10.0666667 | -61.3333333 | 0 | 2215 |
| La Pastora | city | County of Saint George | Trinidad and Tobago | 10.7166667 | -61.4666667 | 593 | 109659 |
| La Pastora | city | County of Saint George | Trinidad and Tobago | 10.7 | -61.3166667 | 1561 | 80722 |
| La Pastoria | city | County of Saint George | Trinidad and Tobago | 10.7 | -61.3166667 | 1561 | 80722 |
| La Retraite | city | County of Saint George | Trinidad and Tobago | 10.6833333 | -61.65 | 0 | 40615 |
| La Veronica | city | County of Saint George | Trinidad and Tobago | 10.7 | -61.35 | 994 | 94273 |
| Lambeau | city | Ward of Tobago | Trinidad and Tobago | 11.1666667 | -60.75 | 0 | 14611 |
| Lapai Village | city | County of Saint George | Trinidad and Tobago | 10.6 | -61.4 | 39 | 78732 |
| Las Cuevas | city | County of Saint George | Trinidad and Tobago | 10.7833333 | -61.3833333 | 410 | 42538 |
| Las Lomas | city | County of Caroni | Trinidad and Tobago | 10.5333333 | -61.3166667 | 203 | 46661 |
| Laventille | city | Port-of-Spain | Trinidad and Tobago | 10.65 | -61.4833333 | 91 | 99230 |
| Lendor | city | County of Caroni | Trinidad and Tobago | 10.5166667 | -61.4 | 288 | 69315 |
| Lengua | city | County of Victoria | Trinidad and Tobago | 10.25 | -61.3666667 | 209 | 54311 |
| Lengua Village | city | County of Victoria | Trinidad and Tobago | 10.25 | -61.3666667 | 209 | 54311 |
| Les Coteaux | city | Ward of Tobago | Trinidad and Tobago | 11.2166667 | -61.75 | 0 | 0 |
| Libertville | city | County of Nariva | Trinidad and Tobago | 10.3 | -61.1833333 | 111 | 9829 |
| Loango | city | County of Saint George | Trinidad and Tobago | 10.7166667 | -61.4166667 | 603 | 108605 |
| Longdenville | city | County of Caroni | Trinidad and Tobago | 10.5166667 | -61.3833333 | 298 | 69315 |
| Lopinot | city | County of Saint George | Trinidad and Tobago | 10.6833333 | -61.3166667 | 1213 | 80722 |
| Los Atajos | city | County of Caroni | Trinidad and Tobago | 10.4166667 | -61.3 | 442 | 36949 |
| Los Bajos | city | County of Saint Patrick | Trinidad and Tobago | 10.1 | -61.5666667 | 68 | 19875 |
| Lothian | city | County of Victoria | Trinidad and Tobago | 10.25 | -61.3666667 | 209 | 54311 |
| Lothians | city | County of Victoria | Trinidad and Tobago | 10.25 | -61.3666667 | 209 | 54311 |
| Lower Fishing Pond | city | County of Saint Andrew | Trinidad and Tobago | 10.5666667 | -61.0333333 | 3 | 10217 |
| Lower Manzanilla | city | County of Saint Andrew | Trinidad and Tobago | 10.5166667 | -61.05 | 19 | 16837 |
| Lower Quarter | city | Ward of Tobago | Trinidad and Tobago | 11.2 | -60.7666667 | 475 | 12500 |
| Lower Town | city | Ward of Tobago | Trinidad and Tobago | 11.1666667 | -60.7333333 | 3 | 14611 |
| Lowlands | city | Ward of Tobago | Trinidad and Tobago | 11.15 | -60.7833333 | 3 | 9308 |
| LʼAnse Noire | city | County of Saint David | Trinidad and Tobago | 10.8333333 | -60.9666667 | 108 | 4116 |
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