| Pumpkin Run | |
| Name Other: | Tributary to Monongahela River |
| Map Size: | 300 |
| Pushpin Map: | USA Pennsylvania#USA |
| Pushpin Map Size: | 300 |
| Pushpin Map Caption: | Location of Pumpkin Run mouth |
| Subdivision Type1: | Country |
| Subdivision Name1: | United States of America |
| Subdivision Type2: | State |
| Subdivision Name2: | Pennsylvania |
| Subdivision Type3: | County |
| Subdivision Name3: | Greene |
| Subdivision Type4: | Township |
| Subdivision Name4: | Jefferson |
| Subdivision Type5: | Borough |
| Subdivision Name5: | Rices Landing |
| Length: | 5.37miles[1] |
| Discharge1 Avg: | 7.28cuft/s at mouth with Monongahela River[2] |
| Source1: | divide between Pumpkin Run and South Fork of Tenmile Creek |
| Source1 Location: | about 1 mile east of Jefferson, Pennsylvania |
| Source1 Coordinates: | 39.9244°N -80.0358°W[3] |
| Source1 Elevation: | 1140feet[4] |
| Mouth: | Monongahela River |
| Mouth Location: | Rices Landing, Pennsylvania |
| Mouth Coordinates: | 39.9503°N -80°W |
| Mouth Elevation: | 763feet |
| Progression: | generally north |
| River System: | Monongahela River |
| Tributaries Left: | unnamed tributaries |
| Tributaries Right: | unnamed tributaries |
Pumpkin Run is a tributary to the Monongahela River in southwestern Pennsylvania. The stream rises in northeastern Greene and flows north entering the Monongahela River at Rices Landing, Pennsylvania. The watershed is roughly 31% agricultural, 58% forested and the rest is other uses.[2] The population in the watershed is 931 (2010).[5]