This is a list of the hamlets in Lewis County, New York.
| Name | Former name(s) | Location | Elevation | GNIS Feature ID | |
|---|---|---|---|---|---|
| Alpina | 44.1692°N -75.4266°W | 972162 | |||
| Barnes Corners | 43.817°N -75.8177°W | 943043 | |||
| Beaverfalls, Castorville, Rohr's Mills | 43.887°N -75.4274°W | 943383 | |||
| Belfort | Monterey | 43.9281°N -75.3321°W | 972214 | ||
| Bellwood | 43.8028°N -75.6816°W | 972220 | |||
| Brantingham | 43.6887°N -75.2921°W | 944651 | |||
| Briggs Corner | 43.8745°N -75.5357°W | 972259 | |||
| Bushes Landing | 43.7776°N -75.4091°W | 945315 | |||
| Clark Corners | 43.8837°N -75.6607°W | 946753 | |||
| Collinsville | High Falls Village | 43.6103°N -75.3841°W | 947163 | ||
| Crystal Dale | Crystaldale | 43.8215°N -75.333°W | 972354 | ||
| Dadville | 43.8067°N -75.4746°W | 947986 | |||
| Deer River | French's Mills, Myers Mills | 43.9298°N -75.5891°W | 948232 | ||
| Denmark | 43.8998°N -75.5824°W | 948303 | |||
| Diana Center | Blanchards Settlement | 44.0756°N -75.4408°W | 972381 | ||
| East Martinsburg | 43.7448°N -75.4274°W | 972423 | |||
| Fish Creek | 43.5203°N -75.5332°W | 972472 | |||
| Forest City | 43.952°N -75.4421°W | 972489 | |||
| Fowlersville | 43.624°N -75.2741°W | 972502 | |||
| Freeman Mill | 43.4609°N -75.5785°W | 972510 | |||
| Glendale | 43.7162°N -75.4166°W | 951201 | |||
| Glenfield | 43.7103°N -75.4021°W | 951212 | |||
| Goulds Mill | 43.6092°N -75.3405°W | 951421 | |||
| Greig | 43.6815°N -75.3546°W | 951800 | |||
| Harrisburg | Harrisburgh | 43.8423°N -75.6027°W | 972601 | ||
| High Falls | 43.9231°N -75.3721°W | 972616 | |||
| Hooker | 43.6926°N -75.7438°W | 972623 | |||
| Houseville | 43.6815°N -75.4446°W | 972628 | |||
| Indian River | 43.9765°N -75.3688°W | 972650 | |||
| Jerden Falls | 44.0128°N -75.3221°W | 972662 | |||
| Kimball Mill | 44.0856°N -75.348°W | 972688 | |||
| Kirschnerville | 43.8831°N -75.3369°W | 954719 | |||
| Kosterville | 43.6159°N -75.3346°W | 972695 | |||
| Lake Bonaparte | 44.1381°N -75.3794°W | 954896 | |||
| Leisher Mill | 43.4853°N -75.6382°W | 972717 | |||
| Locust Grove | 43.5634°N -75.3743°W | 970313 | |||
| Lyonsdale | 43.6187°N -75.3063°W | 956209 | |||
| Martinsburg | Martinsburgh | 43.7376°N -75.4696°W | 956600 | ||
| Michigan Mills | 43.6037°N -75.5974°W | 972796 | |||
| Mohawk Hill | 43.5248°N -75.4696°W | 972808 | |||
| Monteola | 43.6459°N -75.6621°W | 972810 | |||
| Naumburg | Naumberg, Naumburgh, Prussian Settlement | 43.9012°N -75.4941°W | 958301 | ||
| New Boston | 43.8001°N -75.7457°W | 958392 | |||
| New Bremen | Dayansville | 43.8378°N -75.4402°W | 958394 | ||
| New Campbellwood Wye | 43.6153°N -75.7171°W | 972833 | |||
| North Croghan Crossing | 44.0348°N -75.4969°W | 972861 | |||
| North Osceola | 43.5709°N -75.7124°W | 972871 | |||
| Number Four | 43.8656°N -75.1807°W | 959057 | |||
| Old Campbellwood Wye | Old Campbellwood Y | 43.617°N -75.6644°W | 972891 | ||
| Osceola | 43.5001°N -75.7221°W | 959510 | |||
| Otter Creek | 43.7187°N -75.3674°W | 959561 | |||
| Page | 43.6556°N -75.5616°W | 972907 | |||
| Parkers | 43.7323°N -75.6707°W | 972917 | |||
| Parson Mill | 43.4495°N -75.5666°W | 972919 | |||
| Petries Corners | Petrie's Corners | 43.8042°N -75.3616°W | 960255 | ||
| 43.7517°N -75.3768°W | 972945 | ||||
| Rector | 43.7556°N -75.6769°W | 972988 | |||
| Remington Corners | 44.1234°N -75.3621°W | 962373 | |||
| Shuetown | 43.6203°N -75.3285°W | 973066 | |||
| Soft Maple | 43.922°N -75.2413°W | 973083 | |||
| Sperryville | 43.7731°N -75.3066°W | 973105 | |||
| Swancott Mill | 43.4623°N -75.603°W | 973130 | |||
| Leyden | 43.5334°N -75.3652°W | 967005 | |||
| Texas | 43.9851°N -75.5049°W | 973148 | |||
| Watson | 43.7759°N -75.436°W | 968923 | |||
| Welch Hill | 43.6362°N -75.4605°W | 973215 | |||
| West Leyden | 43.4595°N -75.4638°W | 970784 | |||
| 43.7934°N -75.5477°W | 970786 | ||||
| West Martinsburg | West Martinsburgh | 43.7595°N -75.5174°W | 970789 | ||
| Wetmore | 43.6978°N -75.5591°W | 973257 | |||
| Windecker | 43.7992°N -75.6124°W | 973276 |