The 1993–94 Southern Football League season was the 91st in the history of the league, an English football competition.
Farnborough Town won the Premier Division and earned promotion to the Football Conference. Moor Green, Waterlooville, Bashley and Nuneaton Borough were relegated to the Midland and Southern Divisions, whilst Rushden & Diamonds, Gravesend & Northfleet, VS Rugby and Sudbury Town were promoted to the Premier Division, the former two as champions.
Despite neither finishing bottom of the table, both Dunstable and Canterbury City dropped into level eight leagues.
The Premier Division consisted of 22 clubs, including 18 clubs from the previous season and four new clubs:
| Competition: | Southern Football League Premier Division |
| Season: | 1993–94 |
| Winners: | Farnborough Town |
| Promoted: | Farnborough Town |
| Relegated: | Bashley Moor Green Nuneaton Borough Waterlooville |
| Matches: | 462 |
| Total Goals: | 1243 |
| Prevseason: | 1992–93 |
| Nextseason: | 1994–95 |
The Midland Division consisted of 22 clubs, including 19 clubs from the previous season and three new clubs:
| Competition: | Southern Football League Midland Division |
| Season: | 1993–94 |
| Winners: | Rushden & Diamonds |
| Promoted: | Rushden & Diamonds VS Rugby |
| Matches: | 462 |
| Total Goals: | 1451 |
| Prevseason: | 1992–93 |
| Nextseason: | 1994–95 |
The Southern Division consisted of 22 clubs, including 20 clubs from the previous season and two new clubs:
At the end of the previous season Salisbury changed name to Salisbury City, and Fisher Athletic changed name to Fisher.
At the end of the season Tonbridge changed name to Tonbridge Angels.
| Competition: | Southern Football League Southern Division |
| Season: | 1993–94 |
| Winners: | Gravesend & Northfleet |
| Promoted: | Gravesend & Northfleet Sudbury Town |
| Matches: | 462 |
| Total Goals: | 1428 |
| Prevseason: | 1992–93 |
| Nextseason: | 1994–95 |