Oil Creek is a tributary of the Allegheny River that is located in Venango and Crawford counties in the Commonwealth of Pennsylvania in the United States.
Oil Creek has a drainage area of and joins the Allegheny at Oil City.
Attractions along the river include the Drake Well Museum and Oil Creek State Park. The stream was named after the oil that was found along its banks before the historic oil strike by Edwin Drake in Titusville, which Oil Creek flows through.
Oil Creek is popular with canoeists and fishers. The creek is rated as a beginners creek for those interested in learning how to safely use canoes and kayaks. Oil Creek is a cold water fishery with bass and trout living in its waters.