1931 in Northern Ireland

Events during the year 1931 in Northern Ireland.

Incumbents

 * Governor - 	 The Duke of Abercorn
 * Prime Minister - James Craig

Events

 * 9 January – Ulster Canal abandoned.
 * Ulster Protestant League established.

Football

 * The Northern Ireland international soccer team change the colour of their shirt from blue to green.
 * Irish League
 * Winners: Glentoran


 * Irish Cup
 * Winners: Linfield 3 - 0 Ballymena United

Births

 * 24 January – Charles Harding Smith, loyalist paramilitary (died 1997).
 * 15 February – John Erritt, Deputy Director of the British Government Statistical Service (died 2002).
 * 18 February – Peter Scott, né Gulston, burglar (died 2013 in London).
 * 8 April – Paddie Bell, folk singer (died 2005).
 * 9 April – Patrick Walsh, Bishop of Down & Connor (1991-2008) (died 2023).
 * 15 April – Sir Kenneth Bloomfield, head of the Northern Ireland Civil Service and member of the Northern Ireland Victims Commission and the Independent Commission for the Location of Victims' Remains.
 * 25 April – James Fenton, Ulster Scots poet (died 2021).
 * 15 June – Martin Smyth, Unionist politician and minister of the Presbyterian Church in Ireland.
 * 28 June – John Morrow, Presbyterian minister and peace activist (died 2009).
 * 29 June – Brian Hutton, Baron Hutton, Law Lord (died 2020).
 * 4 July – Stephen Boyd, actor (died 1977).
 * 5 August – Billy Bingham, international footballer and manager (died 2022).
 * 25 October – Jimmy McIlroy, international footballer (died 2018).
 * 31 December – Bob Shaw, science fiction novelist (died 1996).