2020–21 Legia Warsaw season

The 2020–21 Legia Warsaw season was the club's 104th season of existence, and their 84th in the top flight of Polish football.

Friendlies
In January 2021, Legia Warsaw faced Liwa FC (8–0 victory), Dynamo Kyiv (2–0 victory), FC Krasnodar (0–0 draw), Stomil Olsztyn (3–1 victory) and Legia Warsaw II (3–0 victory).