Businesses
- F Fisher Unwin Limited
- F Fromherz
- F Johnson and Company, grocer
- F Sanderson and Son, coach builders
- F Sharpley, ladies' and children's outfitting warehouse
- Fagan Brothers
- Falkner Harding and Son
- Fallon Brothers Limited
- Fardon's Vinegar Company Limited
- Fay and Company
- FH Thompson and Son Limited
- Field and Company Limited
- Film Company of Ireland Limited
- Films Limited
- Fingal Arms
- Finnie and Company
- First London General Hospital
- Fitzgerald and Company
- Flower and McDonald, coal importers and salt manufacturers
- Foley Typewriters
- Forsyth and Company Limited, tailors
- Foundry and Engineering Company Limited
- Four Courts Hotel
- FR Young and Company
- Francis A Byrne, jeweller
- Francis Greaves and Sons
- Francis O'Farrell Limited
- Francis Smyth and Son, umbrella and parasol manufacturers
- Francis Tucker and Company Limited
- Frank Carolan, ladies' tailor
- Frank O'Connor and Company
- Franks and Oulton, solicitors
- Frazer and Company
- Fred Wilmot's Variety Agency
- Frederick G Sharpe, solicitor
- Frederick H Croskery, solicitor
- Free Church
- Free Rodwell and Company Limited
- Freeman's Journal Limited
- Freemasons' Hall
- Frewen and Ryan, hosiers, glovers and waterproofers
- Friendly Brothers' Club
- Frischer and Company
- FW Brittain Limited
- FW Woolworth and Company Limited