L. abyssinica can refer to a few different species. The specific epithet abyssinica refers to Ethiopia, where many of these species may be found.
- Lachnocnema abyssinica, a butterfly in the family Lycaenidae
- Lactuca abyssinica, a synonym for Lactuca inermis, a plant in the family Asteraceae
- Lagenaria abyssinica, a squash in the family Cucurbitaceae
- Laguna abyssinica , a plant in the family Malvaceae
- Lantana abyssinica, synonym of Lippia abyssinica, a plant in the family Verbenaceae
- Lapeirousia abyssinica , a plant in the family Iridaceae
- Lasiocorys abyssinica , a plant in the family Lamiaceae
- Lavatera abyssinica , a synonym for Malva aethiopica , a mallow in the family Malvaceae
- Lecanora abyssinica , a lichen in the family Lecanoraceae
- Lefebvrea abyssinica , a plant in the family Apiaceae
- Lejeunea abyssinica , a plant in the family Lejeuneaceae
- Lens abyssinica , a plant in the family Fabaceae
- Leobordea abyssinica , a plant in the family Fabaceae
- Leptadenia abyssinica , a plant in the family Apocynaceae
- Leptomastix abyssinica , a parasitic wasp in the family Encyrtidae
- Leptorkis abyssinica , a plant in the family Orchidaceae
- Leucas abyssinica , a plant in the family Lamiaceae
- Leucauge abyssinica , a spider in the family Tetragnathidae
- Lightfootia abyssinica , a plant in the family Campanulaceae
- Limnophora abyssinica , a fly in the family Muscidae
- Lindenbergia abyssinica , a plant in the family Orobanchaceae
- Lindernia abyssinica , a plant in the family Linderniaceae
- Liparis abyssinica , a plant in the family Orchidaceae
- Lipotriche abyssinica , a plant in the family Asteraceae
- Lippia abyssinica, a culinary herb in the family Verbenaceae
- Loxogramme abyssinica , a plant in the family Polypodiaceae
- Ludwigia abyssinica , a plant in the family Onagraceae
- Lusciniola abyssinica , a bird in the family Acrocephalidae
- Luzula abyssinica , a plant in the family Juncaceae
- Lychnis abyssinica , a plant in the family Caryophyllaceae