is a borough in Armstrong County, Pennsylvania, United States; it is situated along the Allegheny River. The population was 1,962 at the 2000 Census. Freeport received its name from David Todd, who declared it to be a free-port where no man would be charged to tie up rafts, boats, or barges. Freeport was formerly a port on the now defunct Pennsylvania Canal.
According to the United States Census Bureau, the borough has a total area of 1.2 square miles (3.1 km²), of which, 1.2 square miles (3.0 km²) of it is land and 0.04 square miles (0.1 km²) of it (2.54%) is water.