Stony Bar Creek is a long first-order tributary to Marshyhope Creek in Dorchester County, Maryland. This is the only stream of this name in the United States.
According to the Geographic Names Information System, it has also been known historically as:
Stony Bar Creek rises about northeast of Reids Grove, Maryland and then flows east-southeast to join Marshyhope Creek about northeast of Walnut Landing, Maryland.
Stony Bar Creek drains of area, receives about 44.0 in/year of precipitation and is about 17.85% forested.