Ohio
- La Rue
- Lacarne
- Lafayette
- Lafferty
- Lagrange
- Laings
- Lake Milton
- Lakemore
- Lakeside Marblehead
- Lakeview
- Lakeville
- Lakewood
- Lancaster
- Langsville
- Lansing
- Latham
- Latty
- Laura
- Laurelville
- Leavittsburg
- Lebanon
- Lees Creek
- Leesburg
- Leesville
- Leetonia
- Leipsic
- Lemoyne
- Lewis Center
- Lewisburg
- Lewistown
- Lewisville
- Liberty Center
- Lima
- Limaville
- Lindsey
- Lisbon
- Litchfield
- Lithopolis
- Little Hocking
- Lockbourne
- Lodi
- Logan
- London
- Londonderry
- Long Bottom
- Lorain
- Lore City
- Loudonville
- Louisville
- Loveland
- Lowell
- Lowellville
- Lower Salem
- Lucas
- Lucasville
- Luckey
- Ludlow Falls
- Lynchburg
- Lynx
- Lyons