The New South Wales Department of Communities and Justice, a department of the Government of New South Wales, is responsible for the delivery of services to some of the most disadvantaged individuals, families and communities; and the administration and development of a just and equitable legal system of courts, tribunals, laws and other mechanisms that further the principles of justice in the state of New South Wales, Australia.

The department is the lead agency of the Stronger Communities cluster of the New South Wales government.

[3] The department was formed on 1 July 2019 following the 2019 state election that saw the formation of the second Berejiklian ministry.

[4] The new department was originally meant to be named Department of Family, Community Services and Justice when announced on the gazette in April 2019, but was changed to its current name in June 2019.

[1][5] Adult correctional operations are governed by the Crimes (Administration of Sentences) Act 1999.