The 2020 Tohoku Rakuten Golden Eagles season was the sixteenth season of the Tohoku Rakuten Golden Eagles franchise. The Eagles played their home games at Rakuten Seimei Park Miyagi in the city of Sendai as members of Nippon Professional Baseball's Pacific League. The team was led by Hajime Miki on his first and only season as team manager. Rakuten did not qualify for the Climax Series, finishing the COVID-shortened season in fourth place with a record of 55–57–8.