| livret de banque | passbook |
| Livret scolaire | Report book |
| livreur | deliveryman |
| Livron | Livron |
| livrée | livery |
| Livrée des arbres | Lackey moth |
| Lixhe | Lixhe |
| Lixivation | Lixivation |
| Lixiviat | Leachate |
| lixiviat de décharge | landfill leachate |
| lixiviation | leaching |
| Lixiviation sur le Tas | Heap leaching |
| Liz McColgan | Liz McColgan |
| Liza Marklund | Liza Marklund |
| Liza Minnelli | Liza Minnelli |
| Lizartza | Lizartza |
| liège | cork |
| Liège-Bastogne-Liège | Liège-Bastogne-Liège |
| lièvre | hare |
| lièvre américain | jackrabbit |
| Lièvre du Cap | Cape Hare |
| Lièvre Rouge | Red Hare |
| Lièvre variable | Mountain Hare |
| Lièvre wallaby rayé | Banded Hare-wallaby |
| lié | fixed |
| lié à | tied to |
| Liége | Liège |
| Liégeoise | Liege |
| Ljig | Ljig |
| Ljuba | Ljuba |
| Ljubljana | Ljubljana |
| Ljubomir Ljubojević | Ljubomir Ljubojević |
| Ljubov Kozyreva | Lyubov Kozyreva |
| Ljubuški | Ljubuški |
| Ljudevit Posavski | Ljudevit Posavski |
| Ljudmila Ivanovna Turichtchieva | Ludmilla Tourischeva |
| Ljukovo | Ljukovo |
| Ljusnan | Ljusnan River |
| Ljutomer | Ljutomer |
| LK | LK |
| LKP Motor Lublin | Motor Lublin |
| Llanfair-ym-Muallt | Builth Wells |
| Llanfairpwllgwyngyllgogerychwyrndrobwllllantysiliogogogoch | Llanfairpwllgwyngyll |
| Llanilltud Fawr | Llantwit Major |
| lLanthane | lanthanum |
| Llançà | Llançà |
| Llew Llaw Gyffes | Lleu Llaw Gyffes |
| Lleyton Hewitt | Lleyton Hewitt |
| LLFM | RTFM |
| Llivia | Llívia |
| Llobregat | Llobregat |
| Lloret de Mar | Lloret de Mar |
| Llosa de Ranes | La Llosa de Ranes |
| Lloyd Aéreo Boliviano | Lloyd Aereo Boliviano |
| Lloyd Erskine Sandiford | Lloyd Erskine Sandiford |
| LLRV | Lunar Landing Research Vehicle |
| Llucmajor | Llucmajor |
| Lluis Claret | Lluis Claret |
| Llullaillaco | Llullaillaco |
| Lluís Companys | Lluís Companys i Jover |
| Lluís Domènech i Montaner | Lluís Domènech i Montaner |
| Llywarch Hen | Llywarch Hen |
| Llywelyn le Dernier | Llywelyn the Last |
| Llywelyn le Grand | Llywelyn the Great |
| Llíria | Llíria |
| Llŷn | Llŷn Peninsula |
| LMC | Leukemia |
| LMD | LMB |
| LMS | Virtual learning environment |
| LNaberezhnaya Tower | Naberezhnaya Tower |
| Lo Nuestro | Lo Nuestro |
| Lo-fi | Low fidelity |
| Loadable Kernel Module | Loadable kernel module |
| Loaghtan | Manx Loaghtan |
| Loalwa Braz | Loalwa Braz |
| Loasaceae | Loasaceae |
| Loase | Loa loa filariasis |
| Lobby juif | Jewish lobby |
| Lobby sioniste | Jewish lobby |
| lobe | lobe |
| lobe de l'oreille | earlobe |
| Lobe de Roche | Roche lobe |
| Lobeliaceae | Lobeliaceae |
| Lobengula | Lobengula |
| Lobería | Lobería Partido |
| Lobi Stars Football Club | Lobi Stars |
| Lobkowicz | Lobkowicz |
| Lobos | Lobos Partido |
| lobotomie | lobotomy |
| Lobsang Chökyi Gyalsten | Lobsang Chökyi Gyaltsen |
| Lobsang Yeshe | Lobsang Yeshe |
| Lobul | Small cluster |
| Lobule | Small cluster |
| local | local |
| Local Area Augmentation System | Local Area Augmentation System |
| Local Multipoint Distribution Service | Local Multipoint Distribution Service |
| Local Security Authority Subsystem Service | Local Security Authority Subsystem Service |
| localisation | location |
| localisation des défauts | faultfinding |
| localisation du transport | destination of transport |
| Localisation simultanée et construction de cartes | Simultaneous localization and mapping |
| localiser | locate |
