| Leave well alone | Il ne faut pas réveiller le chat qui dort |
| leaven | levure |
| Leaves of Grass | Leaves of Grass |
| leaving | départ |
| Leaving Las Vegas | Leaving Las Vegas |
| leaving out | excepté |
| Leaz | Leaz |
| Lebach | Lebach |
| Lebane | Lebane |
| Lebanese | Libanais |
| Lebanese Armed Forces | Armée libanaise |
| Lebanese Broadcasting Corporation | Lebanese Broadcasting Corporation |
| Lebanese Civil War | Guerre du Liban |
| Lebanese Communist Party | Parti communiste libanais |
| Lebanese cuisine | Cuisine libanaise |
| Lebanese Forces | Forces libanaises |
| Lebanese Government resigns amid protests | Le gouvernement libanais démissionne |
| Lebanese International University | Université internationale libanaise |
| Lebanese lira | Livre libanaise |
| Lebanese Republic | Liban |
| Lebanese wine | Viticulture au Liban |
| Lebanon | Liban |
| Lebanon in the Eurovision Song Contest | Le Liban et le Concours Eurovision de la chanson |
| Lebanon national basketball team | Équipe du Liban de basket-ball |
| Lebanon national football team | Équipe du Liban de football |
| Lebanon War | Guerre du Liban |
| Lebap Province | Lebap |
| Lebedev Physical Institute | Institut de physique Lebedev |
| Lebedus | Lébédos |
| Lebensborn | Lebensborn |
| Lebern | District de Lebern |
| Lebesgue covering dimension | Dimension topologique |
| Lebesgue integration | Intégrale de Lebesgue |
| Lebesgue measure | Mesure de Lebesgue |
| Leblanc | Leblanc |
| Leblanc process | Procédé Leblanc |
| Leblon | Leblon |
| Lebor Gabála Érenn | Lebor Gabála Érenn |
| Lebor na hUidre | Lebor na hUidre |
| LeBron James | LeBron James |
| Lebrun | Lebrun |
| Lecce | Lecce |
| Lecco | Lecco |
| Lech am Arlberg | Lech am Arlberg |
| Lech Kaczyński | Lech Kaczyński |
| Lech Poznań | Lech Poznań |
| Lech River | Lech |
| Lech Wałęsa | Lech Wałęsa |
| Lechia Gdańsk | Lechia Gdańsk |
| LeChuck | LeChuck |
| Lechón | Lechón |
| Lecitin | Phosphatidylcholine |
| Leck | Lek albanais |
| Leclanché | Leclanché |
| Leclanché cell | Pile Leclanché |
| Lecsó | Ratatouille hongroise |
| lectern | lutrin |
| Lectio Divina | Lectio divina |
| Lectionary | Lectionnaire |
| Lectisternium | Lectisterne |
| lecture | conférence |
| lecturer | conférencier |
| lectureship | poste de maître assistant |
| Lecythidaceae | Lecythidaceae |
| LED | Diode électroluminescente |
| LED lamp | Lampe à diode électroluminescente |
| Led Zeppelin | Led Zeppelin |
| Led Zeppelin Remasters | Remasters |
| Leda | Léda |
| Leda River | Léda |
| Lederhose | Lederhose |
| Ledesma | Ledesma |
| ledge | rebord |
| ledger | grand livre |
| Ledra | Ledra |
