Eponyms beginning with L
- Lazarevic's sign
- Le Cat's gulf
- Le Fort's amputation (Léon Clément Le Fort)
- Le Fort's classification (René Le Fort)
- Le Fort's fracture I (René Le Fort)
- Le Fort's fracture II (René Le Fort)
- Le Fort's fracture III (René Le Fort)
- Le Fort's fracture of the ankle (Léon Clément Le Fort)
- Le Fort's operation (Léon Clément Le Fort)
- Le Fort's osteotomy (René Le Fort)
- Le Fort's sound (Léon Clément Le Fort)
- Le louison
- Leber's atrophy
- Leber's congenital amaurosis
- Leber's disease
- Leber's hereditary optic atrophy
- Leber's hereditary optic neuropathy (LHON)
- Leber's miliary aneurysm
- Leber's optic atrophy
- Leber's plexus
- Lebert's essential anaemia
- Leber’s abiotrophy
- Leber’s acute optic neuropathy
- Leber’s disease
- Leber’s syndrome I