| lesser hoopoe lark | Somaliläuferlerche |
| lesser hornero | Kleintöpfer |
| Lesser horseshoe bat | Kleine Hufeisennase |
| lesser house spider | Hauswinkelspinne |
| lesser kestrel | Rötelfalke |
| lesser kiskadee | Liktor |
| lesser kudu | Kleiner Kudu |
| lesser lewin honeyeater | Torreshonigfresser |
| lesser long-billed thrush | Langschnabeldrossel |
| lesser masked owl | Molukkeneule |
| lesser masked weaver | Cabanisweber |
| lesser mealworm beetle | Glänzend schwarzer Getreideschimmelkäfer |
| lesser melampitta | Glanzflöter |
| lesser mole rat | Westblindmaus |
| lesser mole-rat | Westblindmaus |
| lesser moonrat | Kleiner Rattenigel |
| lesser moorhen | Zwergteichhuhn |
| lesser mottled grasshopper | kleiner Heidegrashüpfer |
| lesser mouse-eared bat | Kleines Mausohr |
| lesser necklaced laughing thrush | Lätzchenhäherling |
| lesser New Guinea thrush | Pittadrossel |
| lesser nighthawk | Texasnachtschwalbe |
| Lesser Noctule | Kleiner Abendsegler |
| lesser noddy | Schlankschnabelnoddi |
| lesser nothura | Wachtelsteißhuhn |
| lesser occipital nerve | kleiner Hinterhauptnerv |
| lesser offence | Übertretung |
| lesser offense | Übertretung |
| lesser omentum | kleines Bauchnetz |
| lesser omentum , LO | Omentum minus |
| lesser palatine arteries | Arteriae palatinae minores |
| lesser periwinkle | Mädchenkraut |
| lesser pied kingfisher | Graufischer |
| Lesser Poland | Kleinpolen |
| Lesser Poland Voivodeship | Woiwodschaft Kleinpolen |
| Lesser Potoo | Urutau-Tagschläfer |
| lesser prairie chicken | Kleines Präriehuhn |
| Lesser Purple Emperor | Kleiner Schillerfalter |
| lesser pygmy flying squirrel | Emilias Kleinstgleithörnchen |
| lesser pygmy Shrew | Knirpsspitzmaus |
| lesser racquet-tailed drongo | Spateldrongo |
| lesser razor-billed curassow | Samthokko |
| lesser red-breasted meadowlark | Schwarzschenkelstärling |
| lesser red-headed parrotbill | Schwarzbrauen-Papageimeise |
| lesser redpoll | Alpenbirkenzeisig |
| lesser rhea | Darwinnandu |
| lesser rice field rat | Kleine Reisfeld-Ratte |
| lesser rice-field rat | Kleine Reisfeld-Ratte |
| lesser ricefield rat | Kleine Reisfeld-Ratte |
| lesser road-runner | Rennkuckuck |
| lesser rock sparrow | Buschsteinsperling |
| lesser rorquals | Zwergwale |
| Lesser sand eel | Tobiasfisch |
| lesser sand plover | Mongolenregenpfeifer |
