1931 in Northern Ireland

Centuries:	; ; 20th; 21st; ;
Decades:	; 1920s; 1930s; 1940s; 1950s;
See also:	1931 in the United Kingdom; 1931 in Ireland; Other events of 1931; List of years in Northern Ireland;

Events during the year 1931 in Northern Ireland.

Incumbents

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

Winners: Glentoran

Winners: Linfield 3 - 0 Ballymena United

24 January – Charles Harding Smith, loyalist paramilitary (died 1997).
15 February – John Erritt, Deputy Director of the British Government Statistical Service (died 2002).^[3]
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).

^ Delany, Ruth (1986). A celebration of 250 years of Ireland's Inland Waterways. Belfast: Appletree Press. ISBN 0-86281-200-3.
^ "Abandonment of Ulster Canal". Northern Whig. Belfast. 14 January 1931. p. 1.
^ "Erritt, (Michael) John (Mackey) : Who Was Who - oi". Oxford Index. Oxford University Press. December 2007. doi:10.1093/ww/9780199540884.013.u15060. Retrieved 11 January 2018.