- Laconia
- Lady Isle
- Lake Shore Park
- Lakeport
- Lakeside
- Lamprey Corners
- Lancaster
- Landaff Center
- Langdon
- Langs Corner
- Laskey Corner
- Laurel Island
- Lawrence Corner
- Leachs Island
- Leavitt Park
- Leavitts Hill
- Lebanon
- LeBruns Mobile Home Park
- Ledge Island
- Ledge Island
- Lee
- Lee Five Corners
- Lees Mill
- Leighton Corners
- Lempster
- Leominster Corner
- Lincoln
- Lincoln Island
- Lincoln Park
- Lisbon