The 2015–16 Southern Counties East Football League season was the 50th in the history of the Southern Counties East Football League (the 3rd since it was renamed from the Kent Football League), a football competition in England. At the end of the season, the league merged with the Kent Invicta League with the latter becoming the lower division of the merged league.[1]
Six clubs applied for promotion to Step 4: AFC Croydon Athletic, Ashford United, Beckenham Town, Corinthian, Greenwich Borough and Hollands & Blair.[2]