| 1946–47 Welsh Cup | |
| Country: | Wales |
| Second: | Merthyr Tydfil |
| Prev Season: | 1939–40 |
| Next Season: | 1947–48 |
The 1946–47 FAW Welsh Cup is the 60th season of the annual knockout tournament for competitive football teams in Wales.
League name pointed after clubs name.
Six winners from the Fourth round and six new clubs.
| width=50 | Tie no | width=250 | Home | width=50 | Score | width=250 | Away |
|---|---|---|---|---|---|---|---|
| 1 | Bangor City (LC) | 3–5 | Chester (FL D3N) |
Six winners from the Fifth round plus two new clubs - winner and runner-up of the previous Welsh Cup.
| width=50 | Tie no | width=250 | Home | width=50 | Score | width=250 | Away |
|---|---|---|---|---|---|---|---|
| 1 | Swansea Town (FL D2) | 1–3 | Chester (FL D3N) |
Chester and Newport County played at Wrexham, Wrexham and Merthyr Tydfil played at Cardiff.
| width=50 | Tie no | width=250 | Home | width=50 | Score | width=250 | Away |
|---|---|---|---|---|---|---|---|
| 1 | Chester (FL D3N) | 3–2 | Newport County (FL D2) | ||||
| 2 | Wrexham (FL D3N) | 0–2 | Merthyr Tydfil (SFL) |
Final were held at Cardiff, replay were held at Wrexham.
| width=50 | Tie no | width=250 | Home | width=50 | Score | width=250 | Away |
|---|---|---|---|---|---|---|---|
| 1 | Chester (FL D3N) | 0–0 | Merthyr Tydfil (SFL) | ||||
| replay | Chester (FL D3N) | 5–1 | Merthyr Tydfil (SFL) |