1969–70 Yorkshire Football League

The 1969–70 Yorkshire Football League was the 44th season in the history of the Yorkshire Football League, a football competition in England. At the end of this season the league expanded up to three divisions.

Division One
Division One featured 14 clubs which competed in the previous season, along with four new clubs, promoted from Division Two:
 * Frecheville Community Association
 * Heeley Amateurs
 * Rawmarsh Welfare
 * Swallownest Miners Welfare

Division Two
Division Two featured eleven clubs which competed in the previous season, along with seven new clubs.
 * Clubs relegated from Division One:
 * Hamptons Sports
 * Hull Brunswick
 * Thorne Colliery
 * Plus:
 * Dinnington Athletic
 * Emley
 * Firth Vickers
 * North Ferriby United