The 1933–34 FAW Welsh Cup is the 53rd season of the annual knockout tournament for competitive football teams in Wales.

8 winners from the Third round plus Bethesda Victoria and one new club - Merthyr Town.

Barry, Penrhiwceiber and Bangor City get a bye to the Fifth round.

Five winners from the Fourth round plus Barry, Penrhiwceiber and Bangor City.

Bristol City and Port Vale played at Chester.