The 2016–17 season was Legia Warsaw's 80th season in the Ekstraklasa and 100th year in existence as a football club.

In addition to the domestic league, Legia Warsaw participated in this season's editions of the Polish Cup, the Polish Super Cup, the UEFA Champions League and the UEFA Europa League.

Note: Flags indicate national team as defined under FIFA eligibility rules; some limited exceptions apply.

Players may hold more than one non-FIFA nationality.

Source:[1] Source: Competitions As the previous season's Ekstraklasa and Polish Cup winners, Legia Warsaw faced cup runners-up Lech Poznań in the 2016 Polish Super Cup.