| Abbreviation | Designation | |
|---|---|---|
| F | first class | rail transport operations |
| f | für (German) | rail transport operations |
| F | Schienenpersonenfernverkehr (German) | rail transport operations |
| f | Führerstand / Steuerwagen (German) | classification |
| 87 / FR | France, République française (France) France, French Republic | country code |
| SE-F | Jönköping, Jönköpings län (Swedish) | country code |
| F | Fähre (German) | train category |
| F | Ferienzug (German) Holiday train | train category |
| F | Frankfurt (Main) Hbf, Stadt Frankfurt am Main (German) | fare point / vehicle registration plate |
| F | Falköping C, Falköpings central (Swedish) | station code |
| F | Faringe (Swedish) | station code |
| F | RB Frankfurt (Main), Regionalbereich Frankfurt (Main) (German) | railway administration |
| Fw | Feuerwehr (German) | firefighting / first aid |
| FF | Freiwillige Feuerwehr (German) | firefighting / first aid |
| F | Fernzug (German) | train category |
| 11 / F | BD Frankfurt (1953–1994), Bundesbahndirektion Frankfurt (German) | railway administration |
| F / Fft | K.E.D. Frankfurt (1897–), Königliche Eisenbahn-Direction Frankfurt (German) | railway administration |