The FAI Cup 1936–37[A] was the sixteenth awarding of Ireland's premier cup competition prize, The Football Association of Ireland Challenge Cup or FAI Cup.
The tournament began on 9 January 1937 and concluded on 18 April with the final held at Dalymount Park, Dublin.
An official attendance[B] of 24,000 people watched Waterford, captained by Tom Arrigan, claim their first FAI Cup title by defeating St James's Gate.
^ 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.
C. ^ a Fixture abandoned after 55 minutes due to bad weather.