| McMurray Run | |
| Name Other: | Tributary to Slippery Rock Creek |
| Map Size: | 300 |
| Pushpin Map: | USA Pennsylvania#USA |
| Pushpin Map Size: | 300 |
| Pushpin Map Caption: | Location of McMurray Run mouth |
| Subdivision Type1: | Country |
| Subdivision Name1: | United States of America |
| Subdivision Type2: | State |
| Subdivision Name2: | Pennsylvania |
| Subdivision Type3: | County |
| Subdivision Name3: | Butler |
| Subdivision Type4: | Townships |
| Subdivision Name4: | Slippery Rock Mercer |
| Subdivision Type5: | Borough |
| Subdivision Name5: | Harrisville |
| Length: | 7.64miles[1] |
| Discharge1 Avg: | 19.6cuft/s at mouth with Slippery Rock Creek[2] |
| Source1: | divide between McMurray Run and Wolf Creek |
| Source1 Location: | about 1 mile north of Harrisville, Pennsylvania |
| Source1 Coordinates: | 41.1589°N -80.0064°W[3] |
| Source1 Elevation: | 1390feet[4] |
| Mouth: | Slippery Rock Creek |
| Mouth Location: | Rock Hill Camp |
| Mouth Coordinates: | 41.0772°N -79.9653°W |
| Mouth Elevation: | 1175feet |
| Progression: | Slippery Rock Creek → Connoquenessing Creek → Beaver River → Ohio River → Mississippi River → Gulf of Mexico |
| River System: | Beaver River |
| Tributaries Left: | unnamed tributaries |
| Tributaries Right: | unnamed tributaries |
| Bridges: | William Flynn Highway (PA 8), E Mercer Street, Frampton Road, Boyers Road, New Hope Road |
McMurray Run is a small tributary of Slippery Rock Creek in western Pennsylvania. The stream rises in northwestern Butler County and flows south entering Slippery Rock Creek at Rock Hill Camp. The watershed is roughly 39% agricultural, 53% forested and the rest is other uses.[2]