| Decatur Creek | |
| Name Other: | Parker Creek |
| Subdivision Type1: | Country |
| Subdivision Name1: | United States |
| Subdivision Type2: | State |
| Subdivision Name2: | New York |
| Subdivision Type3: | Region |
| Subdivision Name3: | Central New York Region |
| Source1 Coordinates: | 42.6789°N -74.7361°W |
| Mouth: | Schenevus Creek |
| Mouth Location: | Worcester, New York, United States |
| Mouth Coordinates: | 42.5867°N -74.7536°W[1] |
| Mouth Elevation: | 1296feet |
Decatur Creek is a creek that flows into Schenevus Creek in Worcester, New York. Decatur Creek was formally called Parker Creek.