Trelewis Welfare A.F.C. are a Welsh football club from the village of Trelewis, Merthyr Tydfill in Wales. They played in the Welsh Football League for 27 seasons. The club folded in 2014. In 2020 the club reformed and entered the Merthyr & District League.
|Founded||1966 (reformed 2020)|
|Ground||Trelewis Welfare Ground|
|League||Merthyr & District League|
- Welsh Football League Division Two (Third Tier) – Champions: 1980–81
- Welsh Football League Division Two (Third Tier) – Runners-Up: 1987–88
- Welsh Football League Cup – Runners-Up: 1981-82
- South Wales Amateur League Division Two – Runners-Up: 2011–12
- Rhymney Valley League – Champions: 1967–68
- Rhymney Valley Senior Cup – Winners: 1966–67
Welsh Football League history edit
- In this season The Premier Division (The Top Tier Division) was renamed 'National Division'. The 2nd tier division was renamed 'Premier Division' with the 3rd tier division named 'Division 1'.
- In this season, The 2nd tier division was renamed 'Division One' with the 3rd tier division renamed 'Division Two'.
- In this season the League of Wales was created as the new national tier 1 league. The Welsh Football League covered South Wales and now exists at tier 2 (Division One); tier 3 (Division Two) and tier 4 (Division Three).