2012–13 Hong Kong Fourth Division League is the 2nd season, as well as the 1st season after the re-introduction of Hong Kong Fourth Division League, a football league in Hong Kong.
The 2012–13 season of the Hong Kong Fourth Division League consists of 15 clubs, including 9 teams relegated from 2011–12 Third 'A' Division, 4 teams relegated from 2011–12 Third 'District' Division and 2 newly joined teams.
The detail of the clubs is as follows.