| Luzein | Luzein |
| Luzzasco Luzzaschi | Luzzasco Luzzaschi |
| Luzón | Luzon |
| Luzón Central | Central Luzon |
| Luís Boa Morte | Luís Boa Morte |
| Luís Carlos Prestes | Luís Carlos Prestes |
| Luís de Camões | Luís Vaz de Camões |
| Luís Delgado | Delgado |
| Luís Fabiano | Luís Fabiano |
| Luís Figo | Luís Figo |
| Luís Francisco Armando de Vignerot du Plessis | Louis François Armand de Vignerot du Plessis |
| Luís Herrera Campíns | Luís Herrera Campíns |
| Luís Miguel Brito | Miguel |
| Lviv | Lemberg |
| LVM | Logical Volume Manager |
| LVMH | Moët Hennessy Louis Vuitton |
| Lyaud | Lyaud |
| Lycaon pictus | Afrikanischer Wildhund |
| Lychnis | Pechnelken |
| Lycium | Bocksdorn |
| Lycksele | Lycksele |
| Lycoperdon | Stäublinge |
| Lycophyta | Bärlapppflanzen |
| Lycopodiaceae | Bärlappgewächse |
| Lycopodium | Bärlappe |
| Lycopodium clavatum | Keulen-Bärlapp |
| Lycopsida | Bärlappgewächse |
| Lycoris | Lycoris |
| Lycos | Lycos |
| Lycosidae | Wolfspinnen |
| Lydie Polfer | Lydie Polfer |
| Lygia Bojunga Nunes | Lygia Bojunga Nunes |
| Lyman | Lyman |
| Lyman Abbott | Lyman Abbott |
| Lyman Frank Baum | Lyman Frank Baum |
| Lymantriidae | Trägspinner |
| Lyndon LaRouche | Lyndon LaRouche |
| Lynn Margulis | Lynn Margulis |
| Lynwood | Lynwood |
| Lynx | Lynx |
| Lynx canadensis | Kanadischer Luchs |
| Lynx lynx | Eurasischer Luchs |
| Lynx pardinus | Pardelluchs |
| Lynx rufus | Rotluchs |
| Lynyrd Skynyrd | Lynyrd Skynyrd |
| Lyoko | Turm |
| Lyon | Lyon |
| Lyonel Feininger | Lyonel Feininger |
| Lyra | Leier |
| Lyria | Lyria |
| Lyrurus tetrix | Birkhuhn |
| Lys Assia | Lys Assia |
| Lysenkoismo | Lyssenkoismus |
| Lysimachia | Gilbweiderich |
| Lyss | Lyss |
| Lyssach | Lyssach |
| Lystrosaurus | Lystrosaurus |
| Lythraceae | Weiderichgewächse |
| Lythrum salicaria | Gewöhnlicher Blutweiderich |
| Lytta vesicatoria | Spanische Fliege |
| Lyudmila Bragina | Ljudmila Iwanowna Bragina |
| Lyudmila Kondratyeva | Ljudmila Andrejewna Kondratjewa |
