D
- (Sligo) Daghloonagh
- (Sligo) Derrybeg
- (Sligo) Drumaneel
- (Sligo) Dooballa
- (Roscommon) Derrycoagh
- (Roscommon) Dower
- (Roscommon) Deer Park
- (Roscommon) Derrinea
- (Roscommon) Derreen
- (Roscommon) Derreenamackaun
- (Roscommon) Derry
- (Roscommon) Drummad
- (Roscommon) Derrynanaff
- (Roscommon) Drumnalassan
- (Roscommon) Doogary
- (Roscommon) Derrynagur
- (Roscommon) Drumalough
- (Roscommon) Driney
- (Roscommon) Druminagh
- (Roscommon) Derrynacross
- (Roscommon) Drumacoo
- (Sligo) Doonflin Upper
- (Sligo) Drumnagoal
- (Sligo) Derreens
- (Sligo) Derinch Island
- (Sligo) Doomore
- (Sligo) Deenodes
- (Sligo) Drumfarnoght
- (Sligo) Deechomade
- (Sligo) Drumdiveen