1986–87 Northern Football League

The 1986–87 Northern Football League season was the 89th in the history of Northern Football League, a football competition in England.

Division One
Division One featured 18 clubs which competed in the division last season, along with two new clubs, promoted from Division Two:
 * Blue Star, who also changed name to Newcastle Blue Star
 * Easington Colliery

Division Two
Division Two featured 17 clubs which competed in the division last season, along with two new clubs, relegated from Division One:
 * Billingham Synthonia
 * Billingham Town