| luxueus | luxurious |
| Luz-Saint-Sauveur | Luz-Saint-Sauveur |
| Luzein | Luzein |
| Luzern | Lucerne |
| luzerne | alfalfa |
| Luzon | Luzon |
| Luzonbosijsvogel | Spotted Kingfisher |
| Luís Boa Morte | Luís Boa Morte |
| Luís Carlos Almeida da Cunha | Nani |
| Luís Carlos Prestes | Luís Carlos Prestes |
| Luís de Camões | Luís de Camões |
| Luís Fabiano | Luís Fabiano |
| Luís Figo | Luís Figo |
| Luís Miguel Brito Garcia Monteiro | Miguel Monteiro |
| Luís Oliveira Gonçalves | Luís Oliveira Gonçalves |
| Luče | Luče |
| Lučenec | Lučenec |
| LVDH | RTFA |
| LVDS | Low-voltage differential signaling |
| Lviv | Lviv |
| Lwówek | Lwówek |
| Lwówek Śląski | Lwówek Śląski |
| Ly-dynastie | Lý Dynasty |
| Lybidska | Lybidska |
| Lybische | Libyan woman |
| Lycabettus | Mount Lycabettus |
| Lycaenidae | Lycaenidae |
| Lycaenops | Lycaenops |
| Lycaon | Lycaon |
| Lycaonië | Lycaonia |
| lyceum | lyceum |
| lychee | litchi |
| Lychen | Lychen |
| Lychrel-getal | Lychrel number |
| Lyciasalamandra | Lyciasalamandra |
| Lycische | Lycian |
| Lycië | Lycia |
| Lyciër | Lycian |
| Lycksele | Lycksele |
| Lycoperdaceae | Lycoperdaceae |
| Lycopodiophyta | Lycopodiopsida |
| Lycopodium | Lycopodium |
| Lycopsida | Lycopodiopsida |
| Lycopus | Lycopus |
| Lycorine | Lycorine |
| Lycos | Make LOVE not SPAM |
| Lycosura | Lycosura |
| Lycurgus | Lycurgus of Sparta |
| Lydia Lopokova | Lydia Lopokova |
| Lydisch | Lydian |
| Lydië | Lydia |
| Lydiër | Lydian |
| Lydéric en Phinaert | Lydéric and Phinaert |
| Lygodium | Lygodium |
| Lymantriidae | Lymantriidae |
| Lyme-ziekte | Lyme disease |
| LYMEC | European Liberal Youth |
| Lymeziekte | Lyme disease |
| lymf | lymph |
| Lymfangioleiomyomatose | Lymphangioleiomyomatosis |
| lymfatisch | lymphatic |
| lymfe | lymph |
| Lymfevatenstelsel | Lymphatic system |
| Lymfevlinfatico | Lymphatic system |
| Lymfocyt | Lympocyte |
| Lymm | Lim River |
| Lyn-Z Adams Hawkins | Lyn-Z Adams Hawkins |
| Lynceus | Lynceus |
| lynchen | lynch |
| Lynda Lemay | Lynda Lemay |
| Lynette | Lynette Scavo |
| Lyngby BK | Lyngby Boldklub |
| Lyngby-Taarbæk | Lyngby-Taarbæk |
| Lyngdal | Lyngdal |
| Lyngen | Lyngen |
| Lyngen alpen | Lyngen Alps |
| Lynn Compton | Lynn Compton |
| Lynndie England | Lynndie England |
| Lynsey De Paul | Lynsey de Paul |
| lynx | lynx |
| Lynxen | Lynx |
| Lynyrd Skynyrd | Lynyrd Skynyrd |
| Lyon | Lyons |
| Lyonel Feininger | Lyonel Feininger |
| Lyra | Lyra |
| Lyriden | Lyrids |
| lyrisch | lyrical |
| lyrisch dichter | lyricist |
| lyrisch dichteres | lyricist |
