is a Township in Burlington County, New Jersey, United States. As of the United States 2000 Census, the township population was 7,217.
Westampton was incorporated as a township by an Act of the New Jersey Legislature on March 6, 1850, from portions of Northampton Township (now known as Mount Holly Township). Portions of the township were taken to form Eastampton Township on February 11, 1880.
According to the United States Census Bureau, the township has a total area of 11.2 square miles (28.9 km²), of which, 11.0 square miles (28.6 km²) of it is land and 0.1 square miles (0.3 km²) of it (1.08%) is water.
Westampton Township borders Willingboro Township, Burlington Township, Springfield Township, Eastampton Township, Mount Holly Township, Hainesport Township, and Mount Laurel Township.