F
- (Roscommon) Fairymount
- (County Galway) Fairfield
- (Mayo County) Fallmore
- (Mayo County) Fauleens
- (Mayo County) Flughany
- (Sligo) Falleens
- (Sligo) Falnasoogaun
- (Sligo) Farranduff
- (Sligo) Fule
- (Sligo) Finned Bridge
- (Sligo) Formoyle
- (County Leitrim) Fahy
- (County Leitrim) Foxfield
- (County Leitrim) Funshinagh Cross Roads
- (County Leitrim) Fingreagh
- (County Leitrim) Five Cross Roads
- (County Leitrim) Fawn
- (County Leitrim) Faughary
- (County Galway) Fiddaun
- (County Galway) Funshin More
- (County Galway) Freaghallaunmore
- (County Galway) Freaghhillaun Beg
- (County Galway) Farnace
- (County Galway) Flannery Bridge
- (County Galway) Foal Island
- (County Galway) Finisklin
- (County Galway) Fiddaun
- (County Galway) Feebrack
- (County Galway) Friars Island
- (County Galway) Fahy Bridge