| lapel | revers |
| lapidary | lapidaire |
| Lapilli | Lapilli |
| Lapin Agile | Lapin Agile |
| Lapinjärvi | Lapinjärvi |
| Lapinlahti | Lapinlahti |
| lapis | lazulite |
| lapis lazuli | lazulite |
| Lapis Niger | Lapis Niger |
| Lapita | Lapita |
| Lapith | Lapithes |
| Laplace distribution | Loi uniforme discrète |
| Laplace operator | Opérateur laplacien |
| Laplace plane | Plan de Laplace |
| Laplace transform | Transformée de Laplace |
| Laplacian matrix | Matrice laplacienne |
| Lapland | Laponie |
| Lapland Bunting | Bruant lapon |
| Lapland longspur | Bruant lapon |
| Lapland Province | Laponie finlandaise |
| Lapland War | Guerre de Laponie |
| Laplander | Lapon |
| Lapleau | Lapleau |
| Laponia | Laponie suédoise |
| Laporte | La Porte |
| Lapovo | Lapovo |
| Lapp | Lapon |
| Lappeenranta | Lappeenranta |
| Lappet-faced Vulture | Vautour oricou |
| Lappi | Laponie |
| Lappish | Lapon |
| Lappish woman | Laponne |
| Lapponian Herder | Lapinporokoira |
| Laprida Partido | Laprida |
| Lapsana | Lampsane commune |
| Lapsang souchong | Lapsang souchong |
| lapse | s'écouler |
| lapse of memory | oubli |
| Lapse rate | Gradient thermique adiabatique |
| Lapsi | Lapsi |
| Laptev Sea | Mer de Laptev |
| Laptop | Ordinateur portable |
| Laptop PC | Ordinateur portatif |
| Lapua | Lapua |
| Lapua Cathedral | Cathédrale de Lapua |
| Lapua Movement | Lapuan Liike |
| Laputa | Laputa |
| lapwing | vanneau |
| Lapwings | Vanellinae |
| LAR | LAR |
| Lar Gibbon | Gibbon à mains blanches |
| Lara | État de Lara |
| Lara Croft | Lara Croft |
| Lara Fabian | Lara Fabian |
| Lara Flynn Boyle | Lara Flynn Boyle |
| Larache | Larache |
| Laraki | Laraki |
| Laramie | Laramie |
| Laranjeiras | Laranjeiras |
| Larbi Benbarek | Larbi Benbarek |
| larboard | bâbord |
| larceny | vol simple |
| larch | mélèze |
| larch-tree | larix |
| lard | saindoux |
