2020 Kashima Antlers season

The 2020 season is Kashima Antlers's 28th consecutive season in the J1 League, the top flight of Japanese football, since the introduction of professional football in 1993. The club finished the 2019 J1 League in third place, securing a play-off spot in the 2020 AFC Champions League. In addition to these competitions, they also competed in the Emperor's Cup and J.League Cup.