In addition to the domestic league, AZ Alkmaar participated in the KNVB Cup and the UEFA Europa League.

The season covered the period from 1 July 2018 to 30 June 2019.

For recent transfers, see List of Dutch football transfers winter 2017–18 Note: Flags indicate national team as defined under FIFA eligibility rules; some limited exceptions apply.

Note: Flags indicate national team as defined under FIFA eligibility rules; some limited exceptions apply.

Ten teams, two from the Eredivisie and eight from the Eerste Divisie, played for two spots in the 2019–20 Eredivisie, the remaining eight teams playing in the 2019–20 Eerste Divisie.