| Piscataway Creek | |
| Name Other: | Pascattawaye Creek |
| Subdivision Type1: | Country |
| Subdivision Name1: | United States |
| Subdivision Type2: | State |
| Subdivision Name2: | Maryland |
| Subdivision Type4: | District |
| Subdivision Name4: | Prince George's County |
| Source1 Location: | Joint Base Andrews Naval Air Facility |
| Source1 Coordinates: | 38.7936°N -76.8686°W |
| Source1 Elevation: | 226feet |
| Mouth: | Potomac River |
| Mouth Location: | Fort Washington Park |
| Mouth Coordinates: | 38.7103°N -77.04°W |
| Mouth Elevation: | 0feet |
| Tributaries Right: | Tinkers Creek (Maryland)Tinkers Creek |
Piscataway Creek is an 18.6adj=midNaNadj=mid[1] tributary of the Potomac River in Prince George's County, Maryland. The creek is a tidal arm of the Potomac for its final, entering the Potomac at Fort Washington Park. Tinkers Creek is a tributary to Piscataway Creek, converging from the north upstream of the mouth of the Piscataway.[1] The United States Geological Survey records two variant names for Piscataway Creek: Pascattawaye Creek and Puscattuway Creeke.[2]
The Fort Washington Light was built to provide guidance for mariners entering Piscataway Creek from the Potomac River.