The 2021–22 FAW Welsh Cup was the 134rd season of the annual knockout tournament for competitive football teams in Wales.

The upset of the round was Colwyn Bay's defeat of higher league Cardiff Metropolitan University.

[13] The quarter-final draw took place on 18 October with matches played on 19 February 2022.

[17] The first semi saw Penybont reach their first Welsh Cup final, beating Bala Town on penalties[18] whilst the second saw the recently confirmed Cymru Premier champions The New Saints beat Colwyn Bay 1–0.

[20] The New Saints won the competition for the eighth time, going three goals up with two scored by Jordan Williams before Penybont scored two goals in the final five minutes of the match.