| The Fly | |
| Pushpin Map: | New York |
| Pushpin Map Caption: | Location of The Fly within New York State |
| Location: | Otsego County, New York |
| Coords: | 42.3528°N -75.2923°W |
| Inflow: | The Fly |
| Elevation: | [1] |
| Cities: | Unadilla |
The Fly also known as "Buck Horn Lake" is a small lake in Otsego County, New York. It is located northeast of Unadilla. The Fly drains south via an unnamed creek which flows into Susquehanna River.