| Competition: | Athenian League |
| Season: | 1971–72 |
| Prevseason: | 1970–71 |
| Nextseason: | 1972–73 |
The 1971–72 Athenian League season was the 49th in the history of Athenian League. The league consisted of 48 teams.[1]
| Competition: | Athenian League Premier Division |
| Season: | 1971–72 |
| Winners: | Slough Town |
| Promoted: | Leatherhead |
| Relegated: | Grays Athletic |
The division featured three new teams, promoted from last season's Division One:
| Competition: | Athenian League Division One |
| Season: | 1971–72 |
| Promoted: | Harlow Town Croydon Amateurs |
| Relegated: | None |
The division featured three new teams, promoted from last season's Division Two:
| Competition: | Athenian League Division Two |
| Season: | 1971–72 |
| Promoted: | Staines Town Worthing |
| Relegated: | None |
The division joined 3 new teams, all from Spartan League: