1977–78 Yorkshire Football League

The 1977–78 Yorkshire Football League was the 52nd season in the history of the Yorkshire Football League, a football competition in England.

Division One
Division One featured 12 clubs which competed in the previous season, along with four new clubs, promoted from Division Two:
 * Farsley Celtic
 * Frecheville Community Association
 * Sheffield
 * Tadcaster Albion

Division Two
Division Two featured eight clubs which competed in the previous season, along with seven new clubs.
 * Clubs relegated from Division One:
 * Hatfield Main
 * Liversedge
 * Pickering Town
 * Clubs promoted from Division Three:
 * Bentley Victoria Welfare
 * Brook Sports
 * Collingham
 * Fryston Colliery Welfare

Division Three
Division Three featured eleven clubs which competed in the previous season, along with five new clubs.
 * Clubs relegated from Division Two:
 * Rawmarsh Welfare
 * Selby Town
 * Woolley Miners Welfare
 * Yorkshire Amateur
 * Plus:
 * Harworth Colliery Institute, joined from Sheffield Association League