| Elm Swamp | |
| Pushpin Map: | New York |
| Pushpin Map Caption: | Location of Elm Swamp within New York |
| Location: | Delaware County, New York |
| Coords: | 41.9222°N -75.1447°W |
| Type: | Lake |
| Area: | 20acres |
| Elevation: | [1] |
| Cities: | Lewbeach |
Elm Swamp is a small lake located northeast of the hamlet of Lewbeach in Delaware County, New York. Elm Swamp drains south via an unnamed creek that flows into Pea Brook.