| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Garvagh | city | Leitrim | Ireland | 53.98 | -7.86 | 246 | 1626 |
| Glackaunadarra | city | Leitrim | Ireland | 54.12 | -8.17 | 830 | 735 |
| Glackaunadarragh | city | Leitrim | Ireland | 54.12 | -8.17 | 830 | 735 |
| Glacán na Darach | city | Leitrim | Ireland | 54.12 | -8.17 | 830 | 735 |
| Glan Cross Roads | city | Leitrim | Ireland | 53.95 | -7.66 | 239 | 1432 |
| Gleann Buí | city | Leitrim | Ireland | 54.29 | -8.12 | 830 | 1124 |
| Glenade | city | Leitrim | Ireland | 54.39 | -8.30 | 830 | 641 |
| Glenboy | city | Leitrim | Ireland | 54.29 | -8.12 | 830 | 1124 |
| Glenfarn | city | Leitrim | Ireland | 54.29 | -7.99 | 278 | 774 |
| Glenfarne | city | Leitrim | Ireland | 54.29 | -7.99 | 278 | 774 |
| Glennan | city | Leitrim | Ireland | 54.07 | -7.76 | 249 | 1567 |
| Gob na bhFiach | city | Leitrim | Ireland | 54.11 | -7.91 | 830 | 521 |
| Gort Geargáin | city | Leitrim | Ireland | 54.26 | -8.23 | 216 | 1050 |
| Gort an ??ir | city | Leitrim | Ireland | 54.34 | -8.23 | 311 | 956 |
| Gort na Liobairte | city | Leitrim | Ireland | 54.28 | -8.11 | 938 | 686 |
| Gort na bhFán | city | Leitrim | Ireland | 54.07 | -7.97 | 830 | 696 |
| Gortgarrigan | city | Leitrim | Ireland | 54.26 | -8.23 | 216 | 1050 |
| Gortinar | city | Leitrim | Ireland | 54.34 | -8.23 | 311 | 956 |
| Gortnalibbert | city | Leitrim | Ireland | 54.28 | -8.11 | 938 | 686 |
| Gortnawaun | city | Leitrim | Ireland | 54.07 | -7.97 | 830 | 696 |
| Gowel | city | Leitrim | Ireland | 53.99 | -8.00 | 275 | 1773 |
| Gowlaun | city | Leitrim | Ireland | 54.22 | -8.12 | 830 | 564 |
| Gradoge | city | Leitrim | Ireland | 53.95 | -7.70 | 416 | 1360 |
| Greagh Cross Roads | city | Leitrim | Ireland | 53.99 | -7.79 | 249 | 1240 |
| Greaghnafarna | city | Leitrim | Ireland | 54.17 | -8.01 | 347 | 529 |
| Greaghnaguillaun | city | Leitrim | Ireland | 54.11 | -8.02 | 367 | 667 |
| Gréach na Fearna | city | Leitrim | Ireland | 54.17 | -8.01 | 347 | 529 |
| Gréach na gCoilleán | city | Leitrim | Ireland | 54.11 | -8.02 | 367 | 667 |
| Gubacreeny | city | Leitrim | Ireland | 54.46 | -8.28 | 65 | 3025 |
| Gubnaveagh | city | Leitrim | Ireland | 54.11 | -7.91 | 830 | 521 |
| Gubs | city | Leitrim | Ireland | 54.01 | -7.79 | 249 | 1625 |
| Gurteen | city | Leitrim | Ireland | 54.33 | -8.31 | 830 | 574 |