1942–43 Netherlands Football League Championship

The Netherlands Football League Championship 1942–1943 was contested by 52 teams participating in five divisions. The national champion would be determined by a play-off featuring the winners of the eastern, northern, southern and two western football divisions of the Netherlands. ADO Den Haag won this year's championship by beating Feijenoord, Willem II, SC Enschede and sc Heerenveen.

New entrants
Eerste Klasse East: Eerste Klasse South: Eerste Klasse West-I: Eerste Klasse West-II:
 * Promoted from 2nd Division: Go Ahead
 * Promoted from 2nd Division: Maurits
 * Moving in from West-II: HBS Craeyenhout, Hermes DVS and Sparta Rotterdam
 * Promoted from 2nd Division: De Volewijckers
 * Moving in from West-I: AFC Ajax, Feijenoord and VUC