The 2015–16 Hellenic Football League season was the 63rd in the history of the Hellenic Football League, a football competition in England.
| Competition: | Hellenic Football League Premier Division |
| Season: | 2015–16 |
| Winners: | Kidlington |
| Promoted: | Kidlington |
| Relegated: | Wokingham & Emmbrook Abingdon United Milton United Tuffley Rovers |
| Matches: | 380 |
| Total Goals: | 1369 |
| Prevseason: | 2014–15 |
| Nextseason: | 2016–17 |
Premier Division featured 15 clubs which competed in the division last season, along with five new clubs:
Also, Wootton Bassett Town changed name to Royal Wootton Bassett Town.
Three clubs have applied for promotion to Step 4: Flackwell Heath, Kidlington and Thatcham Town.[1]
| Competition: | Hellenic Football League Division One East |
| Season: | 2015–16 |
| Winners: | Penn & Tylers Green |
| Promoted: | Henley Town |
| Matches: | 156 |
| Total Goals: | 572 |
| Prevseason: | 2014–15 |
| Nextseason: | 2016–17 |
Division One East featured ten clubs which competed in the division last season, along with four new clubs:
Also, Woodley Town changed name to Woodley United.
| Competition: | Hellenic Football League Division One West |
| Season: | 2015–16 |
| Winners: | Carterton |
| Promoted: | Carterton |
| Matches: | 182 |
| Total Goals: | 658 |
| Prevseason: | 2014–15 |
| Nextseason: | 2016–17 |
Division One West featured eleven clubs which competed in the division last season, along with three new clubs:
| Competition: | Hellenic Football League Division Two East |
| Season: | 2015–16 |
| Winners: | Penn & Tylers Green reserves |
| Prevseason: | 2014–15 |
| Nextseason: | 2016–17 |
Division Two East featured 9 clubs which competed in the division last season, along with 2 new clubs:
| Competition: | Hellenic Football League Division Two West |
| Season: | 2015–16 |
| Winners: | Oxford City Nomads development |
| Prevseason: | 2014–15 |
| Nextseason: | 2016–17 |
Division Two West featured 10 clubs which competed in the division last season, along with 3 new clubs: