2009–10 in Welsh football

Welsh Cup
Bangor City beat Port Talbot Town 3-2 at Parc y Scarlets.

Welsh League Cup
The New Saints beat Rhyl 3-1 in the final of the Welsh League Cup.

Welsh Premier League

 * Champions: The New Saints

In line with the restructuring of the league the bottom 8 teams were relegated: Haverfordwest County were relegated to the Welsh Football League Division One whilst Bala Town, Newtown, Connah's Quay, Porthmadog, Welshpool Town, Caersws and Cefn Druids were relegated to the Cymru Alliance.

Welsh Football League Division One

 * Champions: to be confirmed

Cymru Alliance League

 * Champions: Langefni Town - Promoted to Welsh Premier League

The Welsh Premier Women's League

 * Champions: Swansea City Ladies - Qualified for Women's Champions League