| Official Name: | Lime Lake, New York |
| Settlement Type: | Census-designated place |
| Pushpin Map: | New York |
| Pushpin Label: | Lime Lake |
| Pushpin Label Position: | bottom |
| Pushpin Map Caption: | Location within the state of New York |
| Coordinates: | 42.4344°N -78.4792°W |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | New York |
| Subdivision Type2: | County |
| Subdivision Name2: | Cattaraugus |
| Subdivision Type3: | Town |
| Subdivision Name3: | Machias |
| Unit Pref: | Imperial |
| Area Footnotes: | [1] |
| Area Total Sq Mi: | 2.64 |
| Area Land Sq Mi: | 2.38 |
| Area Water Sq Mi: | 0.27 |
| Area Total Km2: | 6.85 |
| Area Land Km2: | 6.16 |
| Area Water Km2: | 0.69 |
| Elevation Ft: | 1660 |
| Population As Of: | 2020 |
| Population Total: | 836 |
| Population Density Sq Mi: | 351.56 |
| Population Density Km2: | 135.75 |
| Timezone: | Eastern (EST) |
| Utc Offset: | -5 |
| Timezone Dst: | EDT |
| Utc Offset Dst: | -4 |
| Blank Name: | FIPS code |
| Blank Info: | 36-42345 |
Lime Lake is a hamlet and census-designated place (CDP) in the northeast part of the town of Machias, in Cattaraugus County, New York, United States. As of the 2010 census, it had a population of 867.[2] Prior to the 2010 census, the area was delineated as part of the Lime Lake-Machias CDP.
Lime Lake is located in the northeast corner of the town of Machias at . It consists of development that surrounds a small water body named Lime Lake, about in diameter. The area is bordered to the south by the main hamlet of Machias.
According to the United States Census Bureau, the Lime Lake CDP has a total area of 6.8km2, of which 6.2km2 is land and 0.7km2, or 10.06%, is water.[2] The outlet of Lime Lake flows north to Elton Creek in Delevan, which then continues north to Cattaraugus Creek, a west-flowing tributary of Lake Erie. Less than one mile south of Lime Lake and only a few feet higher is the drainage divide between the Great Lakes watershed to the north and the Mississippi River watershed to the south: Ischua Creek flows south to Olean Creek, a tributary of the Allegheny River, then the Ohio River, and finally the Mississippi.
New York State Route 16 and Cattaraugus County Route 70 connect Lime Lake to Machias.