Danske Bank, formerly known as the National Irish Bank, is a bank operating in the Republic of Ireland. The bank is a subsidiary of the Danske Bank Group which is headquartered in Copenhagen.

Northern Bank Limited, trading as Danske Bank, is a retail bank in Northern Ireland. Northern Banking Company Limited was formed from a private bank, with the Deed of Partnership being signed on 1 August 1824. It is one of the oldest banks in Ireland with its private banking history dating back to 1809, and forms part of one of the Big Four banks in Ireland. Northern Bank took on the name of its parent company Danske Bank as its trading name in November 2012. It is a leading bank in Northern Ireland and a growing bank in Great Britain. In Northern Ireland, the Bank issues its own banknotes.