1945–46 Netherlands Football League Championship

The Netherlands Football League Championship 1945–1946 was contested by 66 teams participating in six divisions. The national champion would be determined by a play-off featuring the winners of the eastern, northern, two southern and two western football divisions of the Netherlands. HFC Haarlem won this year's championship by beating AFC Ajax, sc Heerenveen, NAC, NEC Nijmegen and Limburgia.

New entrants
Eerste Klasse East: Eerste Klasse North: Eerste Klasse South-I: Eerste Klasse South-II: (new division) Eerste Klasse West-I: Eerste Klasse West-II:
 * Promoted from 2nd Division: Be Quick Zutphen
 * Promoted from 2nd Division: LAC Frisia 1883
 * Moving in from the combined southern division from 1943-44: BVV Den Bosch, FC Eindhoven, LONGA, NAC, NOAD and Willem II
 * Promoted from 2nd Division: Baronie/DNL, RBC Roosendaal, RKTVV Tilburg, VC Vlissingen & VV Helmond
 * Moving in from the combined southern division from 1943-44: Juliana, Maurits, MVV Maastricht, PSV Eindhoven, RFC Roermond and De Spechten
 * Promoted from 2nd Division: Bleijerheide, Brabantia, Limburgia, SC Emma & VVV Venlo
 * Moving in from West-II: AFC Ajax, Emma, HVV 't Gooi, RFC Rotterdam and VSV
 * Promoted from 2nd Division: DOS
 * Moving in from West-I: DFC, DWS, HBS Craeyenhout, Sparta Rotterdam and Stormvogels
 * Promoted from 2nd Division: SC Neptunus

Eerste Klasse South-I
Transferred to South-II Team moving to Division South-II next season.

Play-off
NAC qualified for the Championship Play-off.