The 2020–21 season was the 54th season in existence of Sivasspor and the club's fourth consecutive season in the top flight of Turkish football. In addition to the domestic league, Sivasspor participate in this season's editions of the Turkish Cup and the UEFA Europa League. The season covers the period from July 2020 to 30 June 2021.
Note: Flags indicate national team as defined under FIFA eligibility rules; some limited exceptions apply. Players may hold more than one non-FIFA nationality.
Note: Flags indicate national team as defined under FIFA eligibility rules; some limited exceptions apply. Players may hold more than one non-FIFA nationality.
Stadium: Türk Telekom Stadium Attendance: 0 Referee: Ali Şansalan Assistant referees: İbrahim Çağlar Uyarcan, Özgür Ertem Fourth official: Sarper Barış Saka
^The Villarreal v Qarabağ match was awarded as a 3–0 win to Villarreal after being cancelled as several players of the Qarabağ squad tested positive for the SARS-CoV-2.