Mill Run, Pennsylvania

There are several streams and communities in the U.S. state of Pennsylvania named Mill Run, including:


 * Mill Run (Neshannock Creek tributary), in Mercer County
 * Mill Run (Susquehanna River tributary), in Wyoming County


 * Mill Run, Blair County, Pennsylvania, census-designated place
 * Mill Run, Fayette County, Pennsylvania, closest settlement to Frank Lloyd Wright's Fallingwater