- Labookellie Estate
- Labugama
- Labugolla
- Labuhena
- Lagamuwa
- Lammermoor
- Landupita
- Lanternhill Colony
- Lappanagama
- Lassapathana
- Laxapana
- Laxapanagala Midford
- Legundeniya
- Leloya
- Lemaliar Colony
- Lemasuriyagama
- Lenadora
- Lenawala
- Lesliewatta
- Letchamiya
- Letchimie Totum
- Lethernt South
- Letiyahena
- Levaltonwatta
- Levula
- Lewdeniya
- Lewella
- Lewellagolla
- Lidesdailwatta
- Lihiniyagala