- Lake Darby
- Lakeline
- Lakemore
- Lake Seneca
- Lakeland Beach
- Lakeland Woods Estates
- Limpytown
- Lock Port
- Laffertys Trailer Court
- Lakemont
- Latcha
- Longley
- Latty
- Laura
- Laurelville
- Little Sandusky
- Lovell
- Leo
- Lesmil
- Limerick
- Leavittsburg
- La Belle View
- Lake Lodge
- Lake Lodge Mobile Home Village
- Long Run
- Leetonia
- Leipsic
- Liberty Center
- Limaville
- Lake View