The 1927–28 season was the 30th in the history of the Southern League. The league consisted of Eastern and Western Divisions.[1] Kettering Town won the Eastern Division and Bristol City reserves won the Western Division. Kettering were declared Southern League champions after defeating Bristol City reserves 5–0 in a championship play-off.
Two clubs from the Southern League applied to join the Football League, although neither was successful. Three clubs (all from the Western Division) left the league at the end of the season.
| Competition: | Southern Football League Eastern Division |
| Season: | 1927–28 |
| Winners: | Kettering Town (1st title) |
| Promoted: | none |
| Relegated: | none |
| Matches: | 306 |
| Total Goals: | 1237 |
| Prevseason: | 1926–27 |
| Nextseason: | 1928–29 |
A total of 18 teams contest the division, including 12 sides from previous season and six new teams.
Newly elected teams:
| Competition: | Southern Football League Western Division |
| Season: | 1927–28 |
| Winners: | Bristol City II |
| Promoted: | none |
| Relegated: | Aberdare & Aberaman Athletic (resigned) Weymouth (resigned) Mid Rhondda United (resigned) |
| Matches: | 240 |
| Total Goals: | 1095 |
| Prevseason: | 1926–27 |
| Nextseason: | 1928–29 |
A total of 16 teams contest the division, including 13 sides from previous season and three new teams.
Team relegated from 1926–27 Football League
Newly elected teams:
Two Southern League clubs, Kettering Town and Peterborough & Fletton United, applied to join the Football League. However, both League clubs were re-elected, with Argonauts, a new amateur club who had never played a match winning more votes than either Southern League club.[2]
| Club | League | Votes | |
|---|---|---|---|
| Merthyr Town | Football League Third Division South | 47 | |
| Torquay United | Football League Third Division South | 42 | |
| Argonauts | None | 16 | |
| Kettering Town | Southern League | 3 | |
| Peterborough & Fletton United | Southern League | 2 |