The Department of Finance (DoF, Irish: An Roinn Airgeadais,[5] Ulster-Scots: Männystrie o Siller[6]) is a devolved Northern Ireland government department in the Northern Ireland Executive.

DoF's overall aim is to help the Northern Ireland Executive "secure the most appropriate and effective use of resources and services for the benefit of the community".

The department is responsible for the following policy areas: Some financial matters are reserved to Westminster and are therefore not devolved: [8] In addition, some matters are excepted and were not intended for devolution:[9] DoF's main counterparts in the United Kingdom Government are: In the Irish Government, the main counterparts are: A Ministry of Finance was established on the formation of Northern Ireland in June 1921.

The process was known as devolution and was set up to return devolved legislative powers to Northern Ireland.

During the periods of suspension, the following ministers of the Northern Ireland Office were responsible for the department: