| Fall Brook | |
| Subdivision Type1: | Country |
| Subdivision Name1: | United States |
| Subdivision Type2: | State |
| Subdivision Name2: | New York |
| Mouth: | Black River |
| Mouth Location: | Port Leyden, New York |
| Mouth Coordinates: | 43.5483°N -75.3219°W |
| Mouth Elevation: | 869feet |
| Basin Size: | 11.8sqmi |
Fall Brook flows into the Black River near Port Leyden, New York.[1]