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.

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.

Final
Final were held at Cardiff.