| Halsey Brook | |
| Subdivision Type1: | Country |
| Subdivision Name1: | United States |
| Subdivision Type2: | State |
| Subdivision Name2: | New York |
| Mouth: | East Kill |
| Mouth Location: | East Jewett, United States |
| Mouth Coordinates: | 42.2331°N -74.1394°W |
| Basin Size: | 1.35sqmi |
Halsey Brook converges with East Kill near East Jewett.[1]