| freon | freon |
| frequency | frekvens |
| Frequency mixer | Elektronisk mikser |
| Frequency-hopping spread spectrum | Frekvensspring |
| frequently | ofte |
| fresco | freske |
| fresh | frisk |
| Fresh cream | Cremefraiche |
| fresh water | ferskvand |
| freshwater | ferskvand |
| Freshwater angelfish | Skalar |
| Freshwater catfish | Malle |
| freshwater degradation | forringelse af ferskvand |
| freshwater ecosystem | ferskvandsøkosystem |
| freshwater organism | ferskvandsorganisme |
| freshwater pollution | forurening af ferskvand |
| freshwater resource | ferskvandsressourcer |
| Fresno | Fresno |
| Fretless guitar | Båndløs bas |
| Frey | Frei |
| Freya | Freja |
| Freya radar | Freja |
| Freyja | Freja |
| Freyr | Frej |
| Fri | Fredag |
| Friction | Friktion |
| Friction drum | Rummelpot |
| Frida Kahlo | Frida Kahlo |
| Friday | fredag |
| Fridays | Fredag |
| fridge | køleskab |
| Fridtjof Nansen | Fridtjof Nansen |
| fried egg | spejlæg |
| Fried mashed potatoes | Hash brown |
| Friedman number | Friedmantal |
| Friedrich Adler | Friedrich Adler |
| Friedrich Bessel | Friedrich Wilhelm Bessel |
| Friedrich Daniel Ernst Schleiermacher | Friedrich Schleiermacher |
| Friedrich Dürrenmatt | Friedrich Dürrenmatt |
| Friedrich Engels | Friedrich Engels |
| Friedrich Graf von Wrangel | Friedrich Ernst von Wrangel |
| Friedrich Hayek | Friedrich Hayek |
| Friedrich Hölderlin | Friedrich Hölderlin |
| Friedrich Kuhlau | Daniel Friedrich Rudolph Kuhlau |
| Friedrich Leopold Graf zu Stolberg | Friedrich Leopold Stolberg |
| Friedrich Nietzsche | Friedrich Nietzsche |
| Friedrich Paulus | Friedrich Paulus |
| Friedrich Schiller | Friedrich Schiller |
| Friedrich Wilhelm Joseph Schelling | Friedrich Wilhelm Joseph von Schelling |
| Friedrichsruh | Friedrichsruh |
| Friedrichstadt | Frederiksstad |
| friend | ven |
| friendless | venneløs |
| friendly | venlig |
| friendly fire | egenbeskydning |
| friendship | venskab |
| Frierfjord | Frierfjorden |
| Friesian horse | Frieser |
| Friesland | Frisland |
| frig | køleskab |
| frigate | fregat |
| Frigg | Frigg |
| fright | angst |
| frighten | forskrække |
| frightened | bange |
