| Club: | Legia Warsaw |
| Season: | 2016–17 |
| Manager: | Besnik Hasi (until 20 September) Aleksandar Vuković (caretaker, from 20 September to 24 September) Jacek Magiera (from 24 September) |
| Stadium: | Polish Army Stadium |
| League: | Ekstraklasa |
| League Result: | 1st |
| Cup1: | Polish Cup |
| Cup1 Result: | Round of 32 |
| Cup2: | Polish Super Cup |
| Cup2 Result: | Runners-up |
| Cup3: | UEFA Champions League |
| Cup3 Result: | Group stage |
| Cup4: | UEFA Europa League |
| Cup4 Result: | Round of 32 |
| Pattern La1: | _legia1516h |
| Pattern La2: | _legia1516a |
| Pattern B1: | _legia1516h |
| Pattern B2: | _legia1516a |
| Pattern Ra1: | _legia1516h |
| Pattern Ra2: | _legia1516a |
| Pattern Sh1: | _legia1516h |
| Pattern Sh2: | _legia1516a |
| Pattern So1: | _partizan1516h |
| Pattern So2: | _legia1516a |
| Leftarm1: | FFFFFF |
| Leftarm2: | 666633 |
| Body1: | FFFFFF |
| Body2: | 666633 |
| Rightarm1: | FFFFFF |
| Rightarm2: | 666633 |
| Shorts1: | FFFFFF |
| Shorts2: | 666633 |
| Socks1: | FFFFFF |
| Socks2: | 666633 |
| Prevseason: | 2015–16 |
| Nextseason: | 2017–18 |
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.
Source:[1]
See main article: 2016 Polish Super Cup.
As the previous season's Ekstraklasa and Polish Cup winners, Legia Warsaw faced cup runners-up Lech Poznań in the 2016 Polish Super Cup.
See main article: 2016–17 Ekstraklasa.
See main article: 2016–17 Polish Cup.
See main article: 2016–17 UEFA Champions League.
See main article: 2016–17 UEFA Champions League qualifying phase and play-off round.
See main article: 2016–17 UEFA Europa League.
See main article: 2016–17 UEFA Europa League knockout phase.