1951–52 Welsh Cup
| Tournament details | |
|---|---|
| Country | Wales | 
| Final positions | |
| Champions | |
| Runners-up | |
The 1951–52 FAW Welsh Cup is the 65th season of the annual knockout tournament for competitive football teams in Wales.
Key
League name pointed after clubs name.
- CCL - Cheshire County League
 - FL D3N - Football League Third Division North
 - SFL - Southern Football League
 
Fifth round
Ten winners from the Fourth round and six new clubs.
| Tie no | Home | Score | Away | 
|---|---|---|---|
| 1 | Chester (FL D3N) | 3–1 | Bangor City (CCL) | 
Sixth round
| Tie no | Home | Score | Away | 
|---|---|---|---|
| 1 | Wrexham (FL D3N) | 0–0 | Chester (FL D3N) | 
| replay | Wrexham (FL D3N) | 2–0 | Chester (FL D3N) | 
Semifinal
Cardiff City and Wrexham played at Shrewsbury, both matches between.
| Tie no | Home | Score | Away | 
|---|---|---|---|
| 1 | Barry Town (SFL) | 1–1 | Rhyl (CCL) | 
| replay | Barry Town (SFL) | 0–1 | Rhyl (CCL) | 
| 2 | Wrexham (FL D3N) | 0–0 | Merthyr Tydfil (SFL) | 
Final
Final were held at Cardiff.
| Tie no | Home | Score | Away | 
|---|---|---|---|
| 1 | Rhyl (CCL) | 4–3 | Merthyr Tydfil (SFL) |