| Newry, Mourne and Down | |
| Settlement Type: | District |
| Coordinates: | 54.111°N -6.161°W |
| Subdivision Type: | Sovereign state |
| Subdivision Name: | United Kingdom |
| Subdivision Type1: | Country |
| Subdivision Name1: | Northern Ireland |
| Established Title: | Incorporated |
| Established Date: | 1 April 2015 |
| Named For: | Newry and Mourne, and Down |
| Seat Type: | Administrative HQ |
| Seat: | Downshire Civic Centre, Downpatrick |
| Government Footnotes: | [1] |
| Government Type: | District council |
| Governing Body: | Newry, Mourne and Down District Council |
| Leader Title: | Executive |
| Leader Name: | Committee system |
| Leader Title1: | Control |
| Leader Title3: | MLAs |
| Leader Title4: | MPs |
| Area Rank: | |
| Population Rank: | |
| Timezone1: | GMT |
| Utc Offset1: | +0 |
| Timezone1 Dst: | BST |
| Utc Offset1 Dst: | +1 |
| Postal Code Type: | Postcode areas |
| Postal Code: | BT |
| Area Code Type: | Dialling codes |
| Area Code: | 028 |
| Iso Code: | GB-NMD |
| Blank1 Name: | GSS code |
| Blank1 Info: | N09000010 |
Newry, Mourne and Down is a local government district in Northern Ireland that was created on 1 April 2015 by merging Newry and Mourne District and Down District. It covers most of the southeastern part of Northern Ireland. The local authority is Newry, Mourne and Down District Council. The principal population centres are Newry in the south of the district, and Downpatrick in the north; both these urban areas were seats of previous council areas.
It covers the Southeast of Northern Ireland, including southern County Armagh and large parts of County Down. It incorporates all of the Mourne Mountains and much of the Ring of Gullion, both designated as an Area of Outstanding Natural Beauty. The area has an extensive coastline stretching from Strangford Lough in the north to Carlingford Lough, in the south and borders counties Louth and Monaghan in the Republic of Ireland. The district had a population of in . The name of the new district was announced on 17 September 2008.
See main article: Newry, Mourne and Down District Council. Newry, Mourne and Down District Council replaces Newry and Mourne District Council and Down District Council. The first election for the new district council was originally due to take place in May 2009, but in April 2008, Shaun Woodward, Secretary of State for Northern Ireland announced that the scheduled 2009 district council elections were to be postponed until 2011.[2] The first elections took place on 22 May 2014 and the council acted as a shadow authority until 1 April 2015.