Map of the Catoctin Creek drainage basin, urban areas are in red.
- This article is about the creek in Maryland. For the nearby creek in Virginia, see Catoctin Creek (Virginia).
Catoctin Creek is a 27.9-mile-long (44.9 km) tributary of the Potomac River in Frederick County, Maryland, USA. Its source is formed in the Myersville, MD area and flows directly south for the entire length of the stream. Catoctin Creek enters the Potomac River east of Brunswick. The stream flows through Catoctin Creek Park.
- ^ U.S. Geological Survey. National Hydrography Dataset high-resolution flowline data. The National Map, accessed August 15, 2011
Coordinates: 39°18′29″N 77°33′57″W / 39.308157°N 77.565822°W