The 1955–56 Hellenic Football League season was the third in the history of the Hellenic Football League, a football competition in England.
| Competition: | Hellenic Football League |
| Season: | 1955–56 |
| Winners: | Headington United 'A' |
| Relegated: | Thatcham Princes Risborough Town |
| Matches: | 306 |
| Total Goals: | 1642 |
| Prevseason: | 1954–55 |
| Nextseason: | 1956–57 |
The league featured 17 clubs which competed in the last season, along with one new club: