| LU decomposition | Décomposition LU |
| Lu Ji | Lu Ji |
| Lu Xun | Lu Xun |
| Lualaba Province | Lualaba |
| Lualaba River | Lualaba |
| Luanda | Luanda |
| Luang Prabang | Luang Prabang |
| Luann Van Houten | Famille van Houten |
| Luanshya | Kuanshya |
| Luapula Province | Province de Luapula |
| Luapula River | Luapula |
| Luarca | Luarca |
| LuAZ | LUAZ |
| Luba Empire | Luba |
| Luba Goy | Luba Goy |
| Luba people | Peuple luba |
| Lubaantun | Lubaantun |
| Lubaczów | Lubatchov |
| Lubang Island | Lubang |
| Lubango | Lubango |
| Lubartów | Lubartów |
| Lubbock | John Lubbock |
| Luberon | Massif du Luberon |
| Lubersac | Lubersac |
| Lubitel | Lomo Lubitel |
| Lublin | Lublin |
| Lublin Voivodeship | Voïvodie de Lublin |
| Lubna Agha | Lubna Agha |
| Lubok | Loubok |
| Lubombo | Lubombo |
| Lubomyr Husar | Lubomyr Husar |
| Luboslav Penev | Luboslav Penev |
| Luboń | Luboń |
| lubricant | lubrifiant |
| lubricate | lubrifier |
| lubrication | lubrification |
| lubricator | graisseur |
| Lubumbashi | Lubumbashi |
| Lubusz Voivodeship | Voïvodie de Lubusz |
| Lubyanka | Loubianka |
| Lubyanka Square | Place Loubianka |
| LUC | Luc |
| Luc Besson | Luc Besson |
| Luc Bondy | Luc Bondy |
| Luc Montagnier | Luc Montagnier |
| Luc Tuymans | Luc Tuymans |
| Luc-Julien-Joseph Casabianca | Luc-Julien-Joseph Casabianca |
| Luca Badoer | Luca Badoer |
| Luca Cambiasi | Luca Cambiaso |
| Luca della Robbia | Luca della Robbia |
| Luca di Montezemolo | Luca di Montezemolo |
| Luca Giordano | Luca Giordano |
| Luca Pacioli | Luca Pacioli |
| Luca Signorelli | Luca Signorelli |
| Luca Toni | Luca Toni |
| Luca Turilli | Luca Turilli |
| Lucanas Province | Province de Lucanas |
| Lucani | Lucaniens |
| Lucania | Lucanie |
| Lucanus | Lucanus |
| Lucas Black | Lucas Black |
| Lucas Castromán | Lucas Castroman |
| Lucas County | Comté de Lucas |
| Lucas Cranach | Cranach |
| Lucas Cranach the Younger | Lucas Cranach le Jeune |
| Lucas critique | Critique de Lucas |
| Lucas David | Lukas David |
| Lucas number | Suite de Lucas |
| Lucas Papademos | Lucas Papademos |
| Lucas Pezzini Leiva | Lucas Leiva |
| Lucas sequence | Suite de Lucas |
| Lucas van Leyden | Lucas van Leyden |
| Lucas-Lehmer test for Mersenne numbers | Test de primalité de Lucas-Lehmer pour les nombres de Mersenne |
| Lucas-Lehmer test for Mersenne primes | Test de primalité de Lucas-Lehmer pour les nombres de Mersenne |
| LucasArts | LucasArts |
| Lucca | Lucques |
| Lucca Cathedral | Cathédrale Saint-Martin de Lucques |
| Lucchese crime family | Famille Lucchese |
| Luce | Esox |
| Luce Irigaray | Luce Irigaray |
| Luceafăr | Lucifer |
| Lucedio Abbey | Abbaye de Lucedio |
| Lucene | Lucene |
| Lucens | Lucens |
| Lucens reactor | Centrale nucléaire de Lucens |
| Lucent Technologies | Lucent Technologies |
| Lucerne | Lucerne |
| Lucero | Lucero Hogaza |
| Lucey | Lucey |
| Lucha libre | Lucha libre |
| Luchino Visconti | Luchino Visconti |
| Lucho González | Luis González |
| Luchsingen | Luchsingen |
| Luchtaine | Luchta |
| Lucia | Sainte Lucie |
| Lucia Bosé | Lucia Bosé |
| Lucia di Lammermoor | Lucia di Lammermoor |
| Lucia of Tripoli | Lucie de Tripoli |
| Lucia Popp | Lucia Popp |
| Lucian | Lucien de Samosate |
| Lucian Freud | Lucian Freud |
| Lucian Pintilie | Lucian Pintilie |
| Luciano Berio | Luciano Berio |
| Luciano Burti | Luciano Burti |
| Luciano Figueroa | Luciano Gabriel Figueroa |
| Luciano Floridi | Luciano Floridi |
| Luciano Galletti | Luciano Galletti |
| Luciano Laurana | Luciano Laurana |
| Luciano Leggio | Luciano Liggio |
| Luciano Pavarotti | Luciano Pavarotti |
| lucid | avisé |
| Lucid dream | Rêve lucide |
| Lucid Dreaming | Rêve lucide |
| lucidity | clarté |
| Lucie Silvas | Lucie Silvas |
| Lucien Bonaparte | Lucien Bonaparte |
| Lucien Capet | Lucien Capet |
