| Deerlick Brook | |
| Pushpin Map: | USA New York#USA |
| Pushpin Map Caption: | Location of the mouth of Deerlick Brook in New York |
| Subdivision Type1: | Country |
| Subdivision Name1: | United States |
| Subdivision Type2: | State |
| Subdivision Name2: | New York |
| Subdivision Type3: | County |
| Subdivision Name3: | Delaware |
| Source1 Coordinates: | 42.0779°N -74.7271°W |
| Mouth: | Barkaboom Stream |
| Mouth Coordinates: | 42.0731°N -74.7604°W[1] |
| Mouth Elevation: | 1539feet |
Deerlick Brook is a river in Delaware County in New York. It flows into Barkaboom Stream southwest of Arena.