- Top Cities in New York: K-L
- Katonah
- Keeseville
- Kerhonkson
- Kew Gardens
- Kings Park
- Kingston
- Kirkville
- La Fayette
- Lagrangeville
- Lake George
- Lake Grove
- Lake Placid
- Lake View
- Lakewood
- Lancaster
- Larchmont
- Latham
- Lawrence
- Le Roy
- Levittown
- Lewiston
- Liberty
- Lima
- Lindenhurst
- Little Falls
- Little Neck
- Liverpool
- Livingston Manor
- Livonia
- Lockport
- Locust Valley
- Long Beach
- Long Island City
- Lowville
- Lynbrook
- Lyons