The 2020–21 season was Al-Ahli's 45th consecutive season in the top flight of Saudi football and 84th year in existence as a football club.

The season covered the period from 30 September 2020 to 30 June 2021.

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.

Win Draw Loss Postponed All times are local, AST (UTC+3).