1948–49 Welsh Cup
The 1948–49 FAW Welsh Cup is the 62nd season of the annual knockout tournament for competitive football teams in Wales.
Key
League name pointed after clubs name.- 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
Fifth round
Eight winners from the Fourth round and ten new clubs.| Tie no | Home | Score | Away |
| 1 | Chester | 0–6 | Wrexham |
Sixth round
Two winners from the Fifth round. Seven other clubs get a bye to the Seventh round.Seventh round
One winner from the Sixth round plus seven clubs who get a bye in the previous round.Semifinal
Swansea Town and Rhyl played at Wrexham, Cardiff City and Merthyr Tydfil played at Swansea.| Tie no | Home | Score | Away |
| 1 | Swansea Town | 3–0 | Rhyl |
| 2 | Cardiff City | 1–3 | Merthyr Tydfil |
Final
Final were held at Cardiff.| Tie no | Home | Score | Away |
| 1 | Merthyr Tydfil | 2–0 | Swansea Town |