Freshwater Loughs
- Lough Allen, County Leitrim
- Lough Ballysaggart, County Tyrone*
- Lough Bane, County Meath and Westmeath
- Lough Beg, County Londonderry and County Antrim*
- Lough Caragh, County Kerry
- Lough Carra, County Mayo
- Lough Carrowmore, County Mayo
- Lough Clea, County Armagh*
- Loughs Cloonee and Inchiquin, County Kerry
- Lough Conn, County Mayo
- Lough Corrib, County Galway and County Mayo
- Lough Cullin, County Mayo
- Lough Dan, County Wicklow
- Lough Derg, Counties Clare, Galway and Tipperary
- Lough Derg, County Donegal
- Lough Derravaragh, County Westmeath
- Lough Dunlewey, County Donegal
- Lough Enagh, County Londonderry*
- Lough Ennell, County Westmeath
- Lough Erne, two lakes: Upper Lough Erne and Lower Lough Erne, County Fermanagh*
- Lough Eske, County Donegal
- Lough Feeagh, County Mayo
- Lough Finn, County Donegal
- Lough Gara, County Sligo
- Lough Gill, County Sligo
- Lough Glenveagh, County Donegal
- Lough Gowna, County Cavan and County Longford
- Lough Gur, County Limerick
- Loughinisland, County Down*
- Lough Iron, County Westmeath
- Lough Island Reavy, County Down*
- Loughs of Killarney, County Kerry
- Lough Key, County Roscommon
- Lough Lene, County Westmeath
- Lough MacNean, County Fermangh*, County Cavan and County Leitrim
- Lough Mask, County Mayo
- Lough Melvin, County Fermanagh* and County Leitrim
- Lough Muckno, County Monaghan
- Lough Nafooey, County Galway
- Lough Neagh, – the largest lake in the British Isles*
- Lough Oughter, County Cavan
- Lough Owel, County Westmeath
- Lough Portmore, County Antrim*
- Lough Ramor, County Cavan
- Lough Ree, County Westmeath, County Longford and County Roscommon
- Lough Sheelin, County Westmeath and County Cavan
- Lough Sheever, County Westmeath
- Lough Sillan, County Cavan
- Lough Talt, County Sligo
- Lough Tay, County Wicklow
- Loughs Yganavan and Nambrackdarrig, County Kerry
The largest freshwater loughs in Ireland are:
| Lough | Area (km²) | Location | |
|---|---|---|---|
| 1 | Lough Neagh* | 381 | Ulster |
| 2 | Lough Corrib | 176 | Counties Galway and Mayo |
| 3 | Lough Derg (Shannon) | 118 | Counties Tipperary, Clare and Galway |
| 4 | Lough Erne* | 112 | County Fermanagh |
| 5 | Lough Ree | 105 | Counties Roscommon, Longford and Westmeath |
Read more about this topic: List Of Loughs In Ireland