| Official Name: | Lake Luzerne, New York |
| Settlement Type: | Census-designated place |
| Pushpin Map: | New York#USA |
| Pushpin Label: | Lake Luzerne |
| Coordinates: | 43.3169°N -73.8406°W |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | New York |
| Subdivision Type2: | County |
| Subdivision Name2: | Warren |
| Subdivision Type3: | Town |
| Subdivision Name3: | Lake Luzerne |
| Area Footnotes: | [1] |
| Area Total Sq Mi: | 4.68 |
| Area Land Sq Mi: | 4.17 |
| Area Water Sq Mi: | 0.51 |
| Area Total Km2: | 12.13 |
| Area Land Km2: | 10.80 |
| Area Water Km2: | 1.33 |
| Population As Of: | 2020 |
| Population Density Km2: | 123.73 |
| Timezone: | Eastern (EST) |
| Utc Offset: | -5 |
| Timezone Dst: | EDT |
| Utc Offset Dst: | -4 |
| Elevation Ft: | 610 |
| Postal Code Type: | ZIP Code |
| Postal Code: | 12846 |
| Area Code: | 518/838 |
| Blank Name: | FIPS code |
| Blank Info: | 36-40651 |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 2584271 |
| Population Total: | 1336 |
| Unit Pref: | Imperial |
| Population Density Sq Mi: | 320.46 |
Lake Luzerne is the primary hamlet and a census-designated place (CDP) within the town of Lake Luzerne, Warren County, New York, United States. As of the 2010 census, the population was 1,227, out of 3,347 residents in the entire town of Lake Luzerne. Before that, the community was part of the Lake Luzerne-Hadley census-designated place.
Lake Luzerne CDP is in southern Warren County, in the western part of its town. It is named for Lake Luzerne, a water body on the east side of the hamlet. The community is bordered to the west by the Hudson River, across which is the town of Hadley in Saratoga County. The Luzerne Music Center is on the east side of the lake.
New York State Route 9N passes through Lake Luzerne, leading northeast to Lake George and south to Saratoga Springs. Glens Falls is to the east by county roads.