1929–30 Welsh Cup

The 1929–30 FAW Welsh Cup is the 49th season of the annual knockout tournament for competitive football teams in Wales.

Key
League name pointed after clubs name.
 * B&DL - Birmingham & District League
 * CCL - Cheshire County League
 * FL D2 - Football League Second Division
 * FL D3N - Football League Third Division North
 * FL D3S - Football League Third Division South
 * SFL - Southern Football League
 * WLN - Welsh League North
 * WLS - Welsh League South

Fifth round
Eight winners from the Fourth round and eight new clubs.

Semifinal
Match between Rhyl and Colwyn bay were held at Llandudno.

Final
Final were held at Shrewsbury, replay - at Wrexham.