| Season: | 1954–55 |
| Winners: | Eastbourne United |
| Nextseason: | 1955–56 |
The 1954–55 Sussex County Football League season was the 30th in the history of the competition.[1] [2]
Division 1 featured now increased to seventeen teams with Hove White Rovers being promoted from Division 2 and Southwick re-joining. Division 2 featured eleven teams from which the winners would be promoted into Division 1.
The division featured 17 clubs, 15 which competed in the last season, along with two new clubs:
| Competition: | Division One |
| Season: | 1954–55 |
| Winners: | Eastbourne United |
| Relegated: | Crawley |
| Matches: | 272 |
| Total Goals: | 1189 |
| Prevseason: | 1953–54 |
| Nextseason: | 1955–56 |
The division featured 11 clubs, 9 which competed in the last season, along with two new clubs:
| Competition: | Division Two |
| Season: | 1954–55 |
| Winners: | Three Bridges United |
| Promoted: | Three Bridges United |
| Matches: | 110 |
| Total Goals: | 573 |
| Prevseason: | 1953–54 |
| Nextseason: | 1955–56 |