- Lone Pine Island
- Lone Star
- Lone Star
- Lone Star Junction
- Lone Tree Island (historical)
- Lonetree Island (historical)
- Long Barn
- Long Beach
- Long Island
- Long Rock
- Longvale
- Longview
- Longville
- Lonoak
- Lonoke
- Lonsmith
- Lookout
- Lookout Junction
- Loomis
- Loomis Corners
- Loope
- Lopez Rock
- Loraine
- Lorenzo Station
- Lort
- Los Alamitos
- Los Alamitos Junction
- Los Alamos
- Los Altos
- Los Altos Hills