1988–89 Eerste Divisie

The Dutch Eerste Divisie in the 1988–89 season was contested by 19 teams. Vitesse Arnhem won the championship.

New entrants
Relegated from the 1987–88 Eredivisie
 * AZ
 * DS '79
 * FC Den Haag

Promotion competition
In the promotion competition, four period winners (the best teams during each of the four quarters of the regular competition) played for promotion to the eredivisie.