| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
| La Grange | city | Demerara-Mahaica Region | Guyana | 6.7833333 | -58.2 | 3 | 14082 |
| La Juanita | city | Barima-Waini Region | Guyana | 7.95 | -60.2166667 | 341 | 201 |
| La Penitence | city | Demerara-Mahaica Region | Guyana | 6.8 | -58.15 | 3 | 13391 |
| Lacytown | city | Demerara-Mahaica Region | Guyana | 6.8166667 | -58.1666667 | 3 | 9813 |
| Lamaha Gardens | city | Demerara-Mahaica Region | Guyana | 6.8166667 | -58.1333333 | 3 | 13391 |
| Lanaballi | city | Essequibo Islands-West Demerara Region | Guyana | 6.6 | -58.5666667 | 6 | 3389 |
| Lancaster | city | Upper Demerara-Berbice Region | Guyana | 5.8333333 | -58.25 | 236 | 397 |
| Land of Canaan | city | Demerara-Mahaica Region | Guyana | 6.6 | -58.2 | 9 | 20658 |
| Leeds | city | East Berbice-Corentyne Region | Guyana | 6.05 | -57.1666667 | 0 | 474 |
| Lesbeholden | city | East Berbice-Corentyne Region | Guyana | 6.15 | -57.3 | 3 | 675 |
| Lethem | city | Upper Takutu-Upper Essequibo Region | Guyana | 3.3833333 | -59.8 | 308 | 88 |
| Lethen | city | Upper Takutu-Upper Essequibo Region | Guyana | 3.3833333 | -59.8 | 308 | 88 |
| Lichfield | city | Mahaica-Berbice Region | Guyana | 6.4833333 | -57.65 | 0 | 1005 |
| Linden | city | Upper Demerara-Berbice Region | Guyana | 6 | -58.3 | 160 | 397 |
| Lodge | city | Demerara-Mahaica Region | Guyana | 6.8166667 | -58.1333333 | 3 | 13391 |
| Lodge Village | city | Demerara-Mahaica Region | Guyana | 6.8166667 | -58.1333333 | 3 | 13391 |
| Lorenza | city | Essequibo Islands-West Demerara Region | Guyana | 6.7 | -58.2 | 3 | 15359 |
| Louisiana | city | Essequibo Islands-West Demerara Region | Guyana | 6.9 | -58.4333333 | 0 | 2561 |
| Low Wood | city | Demerara-Mahaica Region | Guyana | 6.4 | -58.2666667 | 42 | 20050 |
| Lower Kamaria | city | Cuyuni-Mazaruni Region | Guyana | 6.4166667 | -58.7666667 | 3 | 47 |
| Lowood | city | Demerara-Mahaica Region | Guyana | 6.4 | -58.2666667 | 42 | 20050 |
| Lumidpau | city | Upper Takutu-Upper Essequibo Region | Guyana | 2.4 | -59.4833333 | 656 | 47 |