1970–71 Athenian League

The 1970–71 Athenian League season was the 48th in the history of Athenian League. The league consisted of 48 teams.

Premier Division
The division featured two new teams, both promoted from last season's Division One:
 * Lewes (1st)
 * Boreham Wood (2nd)

Division One
The division featured 4 new teams:
 * 2 relegated from last season's Premier Division:
 * Finchley (15th)
 * Eastbourne United (16th)
 * 2 promoted from last season's Division Two:
 * Horsham (1st)
 * Edmonton (2nd)

Division Two
The division featured 2 new teams, all relegated from last season's Division One:
 * Ware (15th)
 * Croydon Amateurs (16th)