1977–78 Athenian League

The 1977–78 Athenian League season was the 55th in the history of Athenian League. The league consisted of 18 teams.

Clubs
The league featured 8 clubs which competed in the previous season Division One and 10 new teams:
 * 7 promoted from last season's Division Two:
 * Chalfont St.Peter (5th)
 * Harefield United (6th)
 * Uxbridge (7th)
 * Edgware (9th)
 * Kingsbury Town (11th)
 * Windsor & Eton (13th)
 * Chertsey Town (15th)
 * 3 joined the division:
 * Billericay Town, from Essex Senior League
 * Hoddesdon Town, from London Spartan League Division One
 * Burnham, from Hellenic League Premier Division