The Netherlands Football League Championship 1898–1899 was contested by twelve teams participating in two divisions. The national champion would be determined by a play-off match featuring the winners of the eastern and western football division of the Netherlands. RAP won this year's championship by beating PW Enschede 3-2 and 2–1.
New entrants Eerste Klasse East: U.D. Quick Nijmegen
Eerste Klasse West: Koninklijke HFC returned after one season of absence
Divisions
Eerste Klasse East
Eerste Klasse West
Championship play-off
RAP won the championship.
References RSSSF Netherlands Football League Championships 1898-1954 RSSSF Eerste Klasse Oost RSSSF Eerste Klasse West