Campbelltown is a suburb of Adelaide, South Australia. The population of the area totals 7,003.
The suburb, which is named after Charles James Fox Campbell, a pioneer settler in that locality, forms a part of the City of Campbelltown.
Campbelltown Post Office opened on 1 January 1855. The Postal Code of the area is 5074. The suburb is bordered in the north-west by the River Torrens, a river that is surrounded by parks and smaller creeks. Campbelltown is located 8.7 km north-east of Adelaide. The area is represented in Federal Parliament by Hon. Christopher Pyne and by Vincent Tarzia in the South Australian Parliament. The suburb has only one school, East Marden Primary School. Campbelltown is home to many parks, playgrounds and outdoor sport courts. Campbelltown is also in the process of building a new modern Leisure Centre, with facilities that encompass fun, fitness, health and entertainment.