| Elm Island | |
| Map: | New York |
| Location: | Cedar River |
| Coordinates: | 43.8322°N -74.2456°W[1] |
| Elevation Ft: | 1562 |
| Country Admin Divisions Title: | State |
| Country Admin Divisions Title 1: | County |
| Country Admin Divisions 1: | Hamilton |
| Country Admin Divisions Title 2: | Town |
| Country Admin Divisions 2: | Indian Lake |
Elm Island is an island on Cedar River in Hamilton County, New York.