McKinney Branch is a stream in Polk County in the U.S. state of Missouri. It is a tributary of the Pomme de Terre River.
The stream headwaters are just northeast of Slagle and Missouri Route 13 southeast of Bolivar at 37.5453°N -93.3647°W The stream flows to the northeast crosses under Route Y and enters the Pomme de Terre to the west of Van at 37.5664°N -93.3169°W at an elevation of 935 ft.[1]
McKinney Branch has the name of the local McKinney family.[2]