- Leader's Mobile Home Park
- Leaper
- Leavittsburg
- Leavittsville
- Lebanon
- Lebanon
- Lecta
- Ledgestone At Indian Trails
- Ledgewood Mobile Home Park
- Lees Creek
- Lees Landing
- Leesburg
- Leesville
- Leesville Glens
- Leesville Hills
- Leesville Lake Park
- Leetonia
- Lehman Estates
- Lehman Meadows
- Lehmkuhl Landing
- Leipsic
- Leipsic Junction
- Leistville
- Leith
- Lemert
- Lemon
- Lemoyne
- Lena
- Lenox Center
- Leo