1972–73 Spartan League

The 1972–73 Spartan League season was the 55th in the history of Spartan League. The league consisted of 18 teams.

League table
The division featured 18 teams, 16 from last season and 2 new teams:
 * Farnborough Town, from Surrey Senior League
 * Amersham Town, from Hellenic League Division One B