Paulsboro is a Borough in Gloucester County, New Jersey, United States. As of the 2010 United States Census, the borough population was 6,097.
Paulsboro was formed as a borough by an Act of the New Jersey Legislature on March 2, 1904, from portions of Greenwich Township. It was named for Samuel Phillip Paul, son of a settler.
Paulsboro is located at 39°50′08″N 75°14′31″W / 39.835563°N 75.241819°W / 39.835563; -75.241819 (39.835563, -75.241819).