| Lampetia | Lampétie et Phaéthuse |
| Lamphun Province | Province de Lamphun |
| Lampides boeticus | Azuré porte-queue |
| lamplight | lumière de la lampe |
| lamppost | poteau d'éclairage |
| Lampre-Fondital | Équipe cycliste Lampre-Fondital |
| lamprey | lamproie |
| Lampriformes | Lampridiformes |
| Lamprophyre | Lamprophyre |
| Lampros Choutos | Lámbros Choútos |
| Lampsacus | Lampsaque |
| lampshade | abat-jour |
| Lampshade spider | Hypochilidae |
| Lampung | Lampung |
| Lampyris noctiluca | Lampyre |
| Lamu | Lamu |
| Lamu Island | Lamu |
| Lamá | Luis Lama |
| Lamé parameters | Coefficients de Lamé |
| LAN | Réseau local |
| LAN Airlines | LAN Airlines |
| LAN party | Lan-party |
| Lana Lang | Lana Lang |
| Lana River | Lana |
| Lana Turner | Lana Turner |
| Lanau | Lanau |
| Lanaudière | Lanaudière |
| Lancashire | Lancastre |
| Lancaster | Lancaster |
| Lancaster County | Comté de Lancaster |
| Lancaster House Agreement | Accords de Lancaster House |
| Lance Armstrong | Lance Armstrong |
| Lance Cade and Trevor Murdoch | Lance Cade et Trevor Murdoch |
| Lance Henriksen | Lance Henriksen |
| Lance Storm | Lance Storm |
| Lancelet | Cephalochordata |
| Lancelot | Lancelot du Lac |
| Lancelot du Lac | Lancelot du Lac |
| Lancelot-Grail | Lancelot-Graal |
| Lanceolated Monklet | Barbacou lancéolé |
| lancer | lancier |
| lancet | lancette |
| Lancia Kappa | Lancia Kappa |
| Lancia Montecarlo | Lancia Beta Monte-Carlo |
| Lancia Musa | Fiat Idea et Lancia Musa |
| Lancia Stratos HF | Lancia Stratos |
| Lancre | Lancre |
| Lancy | Lancy |
| Lanczos algorithm | Algorithme de Lanczos |
| land | champ |
| land allotment | allocation de terrain pour cultivation |
| Land and Freedom | Land and Freedom |
| Land art | Land Art |
| Land bridge | Béringie |
