Mahoning Creek is a tributary of the Allegheny River in Pennsylvania in the United States.

Course

Portions of the Mahoning Creek watershed fall in Armstrong, Jefferson, and Indiana counties. The headwaters of Mahoning Creek are the East Branch Mahoning Creek and Stump Creek in Clearfield County. Mahoning Creek flows west through Pennsylvania and joins the Allegheny River just upstream of Templeton. The creek can be divided into three sections: The waterway is a popular destination for fly fishermen.

Tributaries

East Branch Mahoning Creek

Little Mahoning Creek

Pine Run

Political subdivisions

Mahoning Creek traverses the following political subdivisions, listed in order of encounter traveling downstream, East Branch Mahoning Creek traverses the following political subdivisions, listed in order of encounter traveling downstream. Little Mahoning Creek traverses the following political subdivisions, listed in order of encounter traveling downstream. Pine Run traverses the following political subdivisions, listed in order of encounter traveling downstream,