The 1963–64 Danish Cup (Danish: DBUs Landspokalturnering 1963–64) was the 10th installment of the Danish Cup, the national association football cup competition in Denmark. This year's edition began with the regional qualifying rounds among the lower ranking members of the six regional governing bodies in early May 1963, and concluded with the grand cup final on 7 May 1964. A total of 707 clubs participated in the cup tournament – the highest number of teams since the cup's foundation. 671 teams were registered for the qualifying rounds, of which only 44 teams would quality for the proper rounds, under the auspices of the Danish FA's tournament committee, joined by 36 additional teams from the first, second and third divisions in the Danish football league system.