D
- Dall*
- Dalua
- Dargle
- River Dee, County Louth
- Deel
- Dennett*
- Derg*
- Derry
- Delvin River, County Dublin
- Devlin River, County Sligo
- Dervock*
- River Dodder, County Dublin
- Dodder, County Wicklow and County Dublin
- Doonbeg
- Drimnagh Castle Stream, County Dublin
- Drish
- Dromaddamore River, County Kerry
- Drumquin*
- Drumragh*
- Duff*
- Dun*
Read more about this topic: Rivers Of Northern Ireland