| Lempel-Ziv-Oberhumer | LZO |
| Len | Ľan |
| LEN Euroleague | Evroliga |
| Lena | Lena |
| Lena Hades | Lena Hades |
| Lena River | Lena |
| Lenart | Občina Lenart |
| Lendava | Občina Lendava |
| Lene | Lena |
| length | dolžina |
| Leni Riefenstahl | Leni Riefenstahl |
| Lenin | Vladimir Iljič Uljanov |
| Leningrad | Sankt Peterburg |
| Leningrad Codex | Leningrajski kodeks |
| Leningrad Cowboys | Leningrad Cowboys |
| Lenna | Lena |
| Lennard-Jones potential | Lennard-Jonesov potencial |
| Lennart Meri | Lennart Meri |
| Lens | Navadna leča |
| Lens aperture | Trebušna prepona |
| Lens speed | Izsev |
| Lenticular galaxy | Lečasta galaksija |
| Lentil | Navadna leča |
| Leo | Lev |
| Leo Esaki | Leo Esaki |
| Leo James Rainwater | Leo James Rainwater |
| Leo Tolstoy | Lev Nikolajevič Tolstoj |
| Leo von Caprivi | Georg Leo Caprivi |
| Leon | Lev |
| Leon Cooper | Leon Neil Cooper |
| Leon Rupnik | Leon Rupnik |
| Leon Trotsky | Lev Trocki |
| Leon Štukelj | Leon Štukelj |
| Leonard Adleman | Leonard Adleman |
| Leonard Bernstein | Leonard Bernstein |
| Leonard Howell | Leonard Percival Howell |
| Leonardo da Vinci | Leonardo da Vinci |
| Leonardo Vinci | Leonardo da Vinci |
| Leonhard Euler | Leonhard Euler |
| Leonidas | Leonidi |
| Leonidas Pyrgos | Leonidas Pyrgos |
| Leonids | Leonidi |
| leopard | leopard |
| Leopard MBT | Leopard |
| Leopard tank | Leopard |
| Leopold Josef Graf Daun | Leopold Josef Graf Daun |
| Leopold Kronecker | Leopold Kronecker |
| Leopold Mandić | Sveti Leopold Mandić |
| Leopold Mozart | Leopold Mozart |
| Leoš Janáček | Leoš Janáček |
| Lepidoptera | Metulji |
| lepidopteran | metulji |
| Lepontic language | Lepontščina |
| Leporidae | Pravi zajec |
| Leprosy | Gobavost |
| Leptodactylidae | Žvižgovke |
| Lepton | Lepton |
| Lepus | Pravi zajec |
| Lernaean Hydra | Hidra |
| Les Alleux | Alès |
| Les Particules Élémentaires | Osnovni delec |
| lesbian | lezbijka |
| Lesce-Bled Airport | Letališče Lesce |
| Leskovac | Leskovac |
| Leslie Groves | Leslie Richard Groves |
| Lesotho | Lesoto |
| Lesparre-Médoc | Lesparre-Médoc |
| less developed country | manj razvita država |
| Less-lethal weapon | Neubojno orožje |
| Lesse | Gozd |
| Lesser Antilles | Mali Antili |
| Lesser Armenia | Armenija |
| Lesser Spotted Eagle | Mali klinkač |
| lesser spotted woodpecker | mali detel |
| Let oneself drift | Zanašati |
