| lashing | flagellation |
| Lashkar-e-Toiba | Lashkar-e-Toiba |
| LASIK | Lasik |
| Lasiocampidae | Lasiocampidae |
| Lasithi | Lassithi |
| Lasius | Lasius |
| LASK Linz | LASK Linz |
| Laskarina Bouboulina | Laskarina Bouboulina |
| Laskaris | Lascaris |
| Lasker | Lasker |
| Lasker Award | Prix Albert Lasker pour la recherche médicale |
| Lassa fever | Fièvre de Lassa |
| Lassan | Lassan |
| Lasse Berghagen | Lars Berghagen |
| Lasse Nilsson | Lasse Nilsson |
| Lasse Virén | Lasse Virén |
| Lassen Volcanic National Park | Parc national de Lassen Volcanic |
| lassitude | lassitude |
| lasso | lasso |
| Lasso with balls | Bolas |
| last | final |
| Last act | Acte final |
| Last Action Hero | Last Action Hero |
| Last Alliance of Elves and Men | Dernière alliance des elfes et des hommes |
| Last and First Men | Last and First Men |
| last but one | pénultième |
| Last but two | Antépénultième |
| Last Common Ancestor | Dernier ancêtre commun |
| Last Days | Last Days |
| Last Days of Humanity | Last Days Of Humanity |
| Last Exile | Last Exile |
| Last Frontier | Alaska |
| last instructions | instructions |
| Last Judgement | Jugement dernier |
| Last Judgment | Jour du jugement |
| Last Letters from Stalingrad | Lettres de Stalingrad |
| last longer than | durer plus longtemps que |
| Last message to scouts | Dernier message de Baden-Powell |
| last name | nom de famille |
| last night | la nuit dernière |
| last one | dernier |
| Last Supper | Cène |
| Last Tango in Paris | Le Dernier Tango à Paris |
| Last universal ancestor | Dernier ancêtre commun universel |
| Last words | Dernières paroles |
| last year | l'année dernière |
| last-minute | à la dernière minute |
| lasting | durable |
