The FAI Cup 1930–31[A] was the tenth edition of Ireland's premier cup competition, The Football Association of Ireland Challenge Cup or FAI Cup. The tournament began on 28 December 1930 and concluded on 9 May 1931 with the final replay held at Dalymount Park, Dublin. An official attendance[B] of 10,000 people watched Shamrock Rovers claim the third of five FAI Cup titles in a row by defeating Dundalk.
A. ^ From 1923 to 1936, the FAI Cup was known as the Free State Cup.
B. ^ Attendances were calculated using gate receipts which limited their accuracy as a large proportion of people, particularly children, attended football matches in Ireland throughout the 20th century for free by a number of means.