The Department of Housing, Local Government and Heritage (Irish: An Roinn Tithíochta, Rialtais Áitiúil agus Oidhreachta) is a department of the Government of Ireland.

The official headquarters and ministerial offices of the department are in The Custom House, Dublin.

The departmental team consists of the following: The official headquarters and ministerial offices of the department are in The Custom House, Dublin 1.

The Department of Local Government and Public Health was given a statutory basis by the Ministers and Secretaries Act 1924.

This act provided it with:[5] the administration and business generally of public services in connection with local government, public health, relief of the poor, care of the insane (including insane criminals), health insurance, elections to each House of the Oireachtas, elections to local bodies and authorities, registration of voters, maintenance of public roads, and highways, registration of births, deaths and marriages, and vital statistics and all powers, duties and functions connected with the same, and shall include in particular the business, powers, duties and functions of the branches and officers of the public service specified in the Third Part of the Schedule to this Act, and of which Department the head shall be, and shall be styled, an t-Aire Rialtais Aitiúla agus Sláinte Puiblí or (in English) the Minister for Local Government and Public Health.It also assigned it with the following agencies:[6] Over the years the name and functions of the department have changed several times by means of statutory instruments.