2017–18 Northern Football League
The 2017–18 Northern Football League season was the 120th in the history of Northern Football League, a football competition in England.
The constitution for Step 5 and Step 6 divisions for 2017–18 was announced on 26 May 2017, and fixtures were released on 3 June 2017.Division One consisted of 22 clubs.
The following 3 clubs left Division One before the season -
The following 3 clubs joined Division One before the season -
Division Two
Division Two consisted of 21 clubs.
The following 4 clubs left Division Two before the season -
The following 3 clubs joined Division Two before the season -
