| Browns Run | |
| Name Other: | Tributary to South Fork Tenmile Creek |
| Map Size: | 300 |
| Pushpin Map: | USA Pennsylvania#USA |
| Pushpin Map Size: | 300 |
| Pushpin Map Caption: | Location of Browns 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: | Morgan |
| Length: | 3.24miles[1] |
| Discharge1 Avg: | 2.85cuft/s at mouth with South Fork Tenmile Creek[2] |
| Source1: | divide between Castile Run and Grimes Run of South Fork Tenmile Creek |
| Source1 Location: | about 2 miles northwest of Mather, Pennsylvania |
| Source1 Coordinates: | 39.9619°N -80.1044°W[3] |
| Source1 Elevation: | 1120feet[4] |
| Mouth: | South Fork Tenmile Creek |
| Mouth Location: | Mather, Pennsylvania |
| Mouth Coordinates: | 39.9278°N -80.075°W |
| Mouth Elevation: | 853feet[5] |
| Progression: | south-southeast |
| River System: | Monongahela River |
| Tributaries Left: | unnamed tributaries |
| Tributaries Right: | unnamed tributaries |
Browns Run is a small tributary to South Fork Tenmile Creek in southwestern Pennsylvania. The stream rises in northeastern Greene County and flows south-southeast entering South Fork Tenmile Creek at Mather, Pennsylvania. The watershed is roughly 31% agricultural, 61% forested and the rest is other uses.[2]