| Clapper Lake | |
| Pushpin Map: | New York |
| Pushpin Map Caption: | Location of Clapper Lake within New York |
| Location: | Delaware County, New York |
| Coords: | 42.502°N -74.7509°W |
| Area: | 12acres |
| Elevation: | [1] |
| Cities: | South Worcester |
Clapper Lake is a small lake located south-southwest of the hamlet of South Worcester in Delaware County, New York. Clapper Lake drains northwest via an unnamed creek which flows into Charlotte Creek.