Peter Murney was a nationalist politician and political activist in Northern Ireland.
Murney was a farmer and was a volunteer in the Irish Republican Army from 1916 until 1922, as were his brothers Míchaél and Pól Murney who were both interned in Larne prison camp, he along with his brothers joined the Anti-Treaty side of the Civil war.
In 1937, Murney launched the National Council of Unity, which aimed to apply the new Constitution of Ireland to the whole of the island.
[3] He was active in the Irish Anti-Partition League, but controversially refused to condemn T. J. Campbell leaving the Parliament to become a judge.
Murney was defeated at the South Down Nationalist selection convention before the 1949 Northern Ireland general election, and stood down.