1951–52 Welsh Cup
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 | 3–1 | Bangor City |
Semifinal
Cardiff City and Wrexham played at Shrewsbury, both matches between.| Tie no | Home | Score | Away |
| 1 | Barry Town | 1–1 | Rhyl |
| replay | Barry Town | 0–1 | Rhyl |
| 2 | Wrexham | 0–0 | Merthyr Tydfil |
Final
Final were held at Cardiff.| Tie no | Home | Score | Away |
| 1 | Rhyl | 4–3 | Merthyr Tydfil |