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.| Tie no | Home | Score | Away |
| 1 | Wrexham | 0–2 | Cardiff City |
| 2 | Rhyl | 3–1 | Colwyn Bay |
Final
Final were held at Shrewsbury, replay - at Wrexham.| Tie no | Home | Score | Away |
| 1 | Rhyl | 0–0 | Cardiff City |
| replay | Rhyl | 2–4 | Cardiff City |