D
- (Mayo County) Dooreel
- (Mayo County) Doona
- (Mayo County) Derreens
- (Mayo County) Derrynameel
- (Mayo County) Derrycorrib
- (Mayo County) Derreens Island
- (Mayo County) Drumreagh
- (Mayo County) Doobehy
- (Mayo County) Doonteeny
- (County Leitrim) Drumlease
- (Mayo County) Drumacappul
- (Mayo County) Drumcappul Island
- (Mayo County) Drumgollagh
- (Mayo County) Darraragh
- (Mayo County) Drumanaffrin
- (Mayo County) Doolough
- (Mayo County) Dunmore West
- (Mayo County) Divish
- (Mayo County) Dookinelly
- (Mayo County) Dooniver
- (Mayo County) Drumsleed
- (County Galway) Duniry
- (Mayo County) Doohooma
- (County Leitrim) Drumkeeran
- (Sligo) Dromore West
- (County Leitrim) Drumsna
- (County Leitrim) Dromod
- (Mayo County) Dooagh
- (County Galway) Dunmore
- (County Leitrim) Dromahaire