2012–13 Welsh Football League Division One
| Season | 2012–13 | 
|---|---|
| Champions | West End | 
| Relegated | Tata Steel Cardiff Corinthians Barry Town  | 
| Matches played | 240 | 
| Goals scored | 821 (3.42 per match) | 
| Biggest home win | Tata Steel 0–8 Haverfordwest County 23 April 2013  | 
| Biggest away win | Barry Town 7–2 Goytre United 15 September 2012  | 
| Highest scoring | Bryntirion Athletic 3–7 West End 2 February 2013  | 
← 2011–12  2013–14 →   | |
The 2012–13 Welsh Football League Division One began on 10 August 2012 and ended on 18 May 2013.