| frontière linguistique | language boundary |
| frontière nationale | national boundary |
| Frontière naturelle | Natural boundary |
| Frontman | Frontman |
| fronton | gable |
| Froogle | Google Product Search |
| Frosinone | Frosinone |
| Frostmourne | List of Warcraft items |
| frottement | friction |
| Frottement par effet de marée | Tidal friction |
| frotter | wipe |
| Frotter une allumette | Strike a match |
| frotteurisme | frotteurism |
| frottis | smear test |
| frottis cervical | Pap test |
| Frottis de dépistage | Pap smear |
| Frottis vaginal | Pap smear |
| Frottole | Frottola |
| froufrou | rustle |
| froufrouter | swish |
| Frounzenskaïa | Frunzenskaya |
| froussard | coward |
| froussarde | coward |
| frousse | jitters |
| Fructiculture | Fruit farming |
| fructidor | Fructidor |
| fructification | fruition |
| fructifier | fructify |
| fructifère | fruit-bearing |
| fructose | fructose |
| fructueux | fertile |
| Fructuoso Rivera | Fructuoso Rivera |
| Fruela Ier des Asturies | Fruela I of Asturias |
| Fruela II | Fruela II of León |
| frugal | frugal |
| frugalité | frugality |
| frugivore | frugivore |
| fruit | fruit |
| fruit de l'arbre à pain | breadfruit |
