Venango is a borough in Crawford County, Pennsylvania, United States.

According to the United States Census Bureau, the borough has a total area of 0.27 square miles (0.71 km2), all land.

Interstate 79 passes 2 miles (3 km) to the west of Venango, but without any nearby exits.

The racial makeup of the borough was 96.53% White, 2.43% African American, and 1.04% from two or more races.

About 3.5% of families and 7.6% of the population were below the poverty line, including 4.8% of those under the age of eighteen and 7.7% of those sixty five or over.