- Kershaw, Lancaster County, South Carolina, United States1
- Keweenaw Point, Keweenaw County, Michigan, United States1
- Key Biscayne, Dade County, Florida, United States1
- Key West, Monroe County, Florida1
- Kings Creek District, Cherokee County, South Carolina, United States1
- Kingstree, Williamsburg County, South Carolina, United States1
- La Rochelle, Charente-Maritime department, France1
- Labrador, Newfoundland and Labrador, Canada1
- Lake Champlain1
- Lake George, Florida, United States1
- Lake Mohawk, Rondout Valley, Ulster County, New York, United States1
- Lake Mohonk, Ulster County, New York, United States1
- Lake Saratoga, Saratoga County, New York, United States1
- Lake Superior1
- Lambertville, Hunterdon County, New Jersey, United States1
- Lamlash Bay, North Ayrshire, Scotland, United Kingdom1
- Lanford Station, South Carolina, United States1
- Leadhills, South Lanarkshire, Scotland, United Kingdom1
- Lewes, Sussex, England, United Kingdom1
- Liberia1