Elections to Newry and Mourne District Council were held on 30 May 1973 on the same day as the other Northern Irish local government elections.
The election used six district electoral areas to elect a total of 30 councillors.
[1] 1973: 3 x UUP, 2 x SDLP, 1 x Independent Nationalist 1973: 2 x SDLP, 1 x Alliance, 1 x Independent Nationalist 1973: 2 x SDLP, 2 x Independent Unionist 1973: 3 x SDLP, 2 x Independent Unionist, 1 x Alliance, 1 x Republican Clubs 1973: 3 x SDLP, 1 x Republican Clubs, 1 x Independent Unionist, 1 x Independent Republican 1973: 2 x Alliance, 2 x SDLP