D
- (Sligo) Drumbeg North
- (Sligo) Derrysallagh
- (County Leitrim) Dark Valley
- (County Leitrim) Derrinaher
- (County Leitrim) Drumany
- (County Leitrim) Drumconor
- (County Leitrim) Drumduffy
- (County Leitrim) Drumillion
- (Roscommon) Derreenahinch
- (Roscommon) Dorreenanarry
- (Roscommon) Derreenatawy
- (County Leitrim) Drumany Glebe
- (Roscommon) Derreendooey
- (Roscommon) Derreenasalt
- (Sligo) Derrydarragh
- (County Leitrim) Dromore
- (Mayo County) Duvillaun More
- (Mayo County) Duvillaun Beg
- (Roscommon) Dundonnell
- (County Galway) Duck Island
- (Mayo County) Dry Mills
- (Mayo County) Drunganagh
- (County Leitrim) Drumnafinnila
- (County Galway) Drumgriffin
- (Sligo) Drumfin
- (County Leitrim) Drumcollop
- (Mayo County) Drumcoggy
- (Sligo) Drumcliff
- (Sligo) Dromard
- (County Galway) Drishaghaun