1971–72 Welsh Cup

The 1971–72 FAW Welsh Cup is the 85th season of the annual knockout tournament for competitive football teams in Wales.

Key
League name pointed after clubs name.
 * CCL – Cheshire County League
 * FL D2 – Football League Second Division
 * FL D3 – Football League Third Division
 * FL D4 – Football League Fourth Division
 * SFL – Southern Football League
 * WLN – Welsh League North
 * WLS – Welsh League South

Fifth round
Ten winners from the Fourth round and six new clubs.