The1912–13 Southern Football League season was the 19th in the history of theSouthern League, afootball competition inEngland. This season saw no First Division teams apply for election tothe Football League.Plymouth Argyle won the league championship whilstBrentford andStoke were relegated to Division Two.Cardiff City won the Division Two championship. They were promoted to Division One along with runners-upSouthend United. No Second division teams left the league this season.
| Season | 1912–13 |
|---|---|
| Champions | Plymouth Argyle (1st title) |
| Promoted | none |
| Relegated | Brentford Stoke |
| Matches | 380 |
| Goals | 1,019 (2.68 per match) |
1913–14 → | |
A total of 20 teams contest the division, including 18 sides from previous season and two new teams.
Teams promoted from1911–12 Division Two:
| Pos | Team | Pld | W | D | L | GF | GA | GR | Pts | Relegation |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Plymouth Argyle | 38 | 22 | 6 | 10 | 77 | 36 | 2.139 | 50 | |
| 2 | Swindon Town | 38 | 20 | 8 | 10 | 66 | 41 | 1.610 | 48 | |
| 3 | West Ham United | 38 | 18 | 12 | 8 | 66 | 46 | 1.435 | 48 | |
| 4 | Queens Park Rangers | 38 | 18 | 10 | 10 | 46 | 35 | 1.314 | 46 | |
| 5 | Crystal Palace | 38 | 17 | 11 | 10 | 55 | 36 | 1.528 | 45 | |
| 6 | Millwall | 38 | 19 | 7 | 12 | 62 | 43 | 1.442 | 45 | |
| 7 | Exeter City | 38 | 18 | 8 | 12 | 48 | 44 | 1.091 | 44 | |
| 8 | Reading | 38 | 17 | 8 | 13 | 59 | 55 | 1.073 | 42 | |
| 9 | Brighton & Hove Albion | 38 | 13 | 12 | 13 | 48 | 47 | 1.021 | 38 | |
| 10 | Northampton Town | 38 | 12 | 12 | 14 | 61 | 48 | 1.271 | 36 | |
| 11 | Portsmouth | 38 | 14 | 8 | 16 | 41 | 49 | 0.837 | 36 | |
| 12 | Merthyr Town | 38 | 12 | 12 | 14 | 42 | 60 | 0.700 | 36 | |
| 13 | Coventry City | 38 | 13 | 8 | 17 | 53 | 59 | 0.898 | 34 | |
| 14 | Watford | 38 | 12 | 10 | 16 | 43 | 50 | 0.860 | 34 | |
| 15 | Gillingham | 38 | 12 | 10 | 16 | 36 | 53 | 0.679 | 34 | |
| 16 | Bristol Rovers | 38 | 12 | 9 | 17 | 55 | 64 | 0.859 | 33 | |
| 17 | Southampton | 38 | 10 | 11 | 17 | 40 | 72 | 0.556 | 31 | |
| 18 | Norwich City | 38 | 10 | 9 | 19 | 39 | 50 | 0.780 | 29 | |
| 19 | Brentford | 38 | 11 | 5 | 22 | 42 | 55 | 0.764 | 27 | Relegated toDivision Two |
| 20 | Stoke | 38 | 10 | 4 | 24 | 39 | 75 | 0.520 | 24 |
| Season | 1912–13 |
|---|---|
| Champions | Cardiff City |
| Promoted | Cardiff City Southend United |
| Relegated | none |
| Matches | 156 |
| Goals | 470 (3.01 per match) |
1913–14 → | |
A total of 13 teams contest the division, including 8 sides from previous season, one team relegated from Division One and four new teams.
Team relegated from1911–12 Division One:
Newly elected teams:
| Pos | Team | Pld | W | D | L | GF | GA | GR | Pts | Promotion |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Cardiff City | 24 | 18 | 5 | 1 | 54 | 15 | 3.600 | 41 | Promoted toDivision One |
| 2 | Southend United | 24 | 14 | 6 | 4 | 43 | 23 | 1.870 | 34 | |
| 3 | Swansea Town | 24 | 12 | 7 | 5 | 29 | 23 | 1.261 | 31 | |
| 4 | Croydon Common | 24 | 13 | 4 | 7 | 51 | 29 | 1.759 | 30 | |
| 5 | Luton Town | 24 | 13 | 4 | 7 | 52 | 39 | 1.333 | 30 | |
| 6 | Llanelly | 24 | 9 | 6 | 9 | 33 | 39 | 0.846 | 24 | |
| 7 | Pontypridd | 24 | 6 | 11 | 7 | 30 | 28 | 1.071 | 23 | |
| 8 | Mid Rhondda | 24 | 9 | 4 | 11 | 33 | 31 | 1.065 | 22 | |
| 9 | Aberdare | 24 | 8 | 6 | 10 | 38 | 40 | 0.950 | 22 | |
| 10 | Newport County | 24 | 7 | 5 | 12 | 29 | 36 | 0.806 | 19 | |
| 11 | Mardy | 24 | 6 | 3 | 15 | 38 | 38 | 1.000 | 15 | |
| 12 | Treharris | 24 | 5 | 2 | 17 | 18 | 60 | 0.300 | 12 | |
| 13 | Ton Pentre | 24 | 3 | 3 | 18 | 22 | 69 | 0.319 | 9 |