| Bullock Brook | |
| Pushpin Map: | New York |
| Pushpin Map Caption: | Location of the mouth of Bullock Brook |
| Subdivision Type1: | Country |
| Subdivision Name1: | United States |
| Subdivision Type2: | State |
| Subdivision Name2: | New York |
| Subdivision Type4: | County |
| Subdivision Name4: | Delaware |
| Source1 Coordinates: | 42.2011°N -75.255°W |
| Mouth: | Trout Creek |
| Mouth Coordinates: | 42.1795°N -75.276°W[1] |
| Mouth Elevation: | 1178feet |
Bullock Brook is a river in Delaware County, New York. It flows into Trout Creek south of the hamlet of Trout Creek.