Monocacy Creek is a tributary of the Schuylkill River in Berks County, Pennsylvania in the United States. Monocacy Creek joins the Schuylkill at Monocacy Station.
Monocacy is a name derived from a Native American language purported to mean "stream with large beds".
Coordinates: 40°15′35″N 75°45′54″W / 40.25972°N 75.76500°W