The 2002–03 Northern Football League season was the 105th in the history of Northern Football League, a football competition in England.
[1] Division One featured 18 clubs which competed in the division last season, along with three new clubs, promoted from Division Two: Also, Washington Ikeda Hoover changed name to Washington.
Division Two featured 17 clubs which competed in the division last season, along with four new clubs, relegated from Division One: