2016–17 Ekstraklasa (men's handball)
The 2016–17 Ekstraklasa was the 61st season of the Ekstraklasa, Polish's top-tier handball league. A total of fourteen teams contested this season's league, which began on 17 September 2016 and concluded in April 2017.
Vive Tauron Kielce were the defending champions.
Format
The competition format for the 2016–17 season consists of 2 groups of seven teams each playing in a home-and-away round-robin system. The top 3 teams of each group qualifies directly to quarterfinals, while teams ranked 4th and 5th qualifies for a previous play-off roundTeams
The following 14 clubs compete in the Ekstraklasa during the 2016–17 season. Śląsk Wrocław was relegated from the previous season while Meble Wójcik Elbląg, Piotrkowianin Piotrków Trybunalski and Wybrzeże Gdańsk were promoted.| Team | City | Arena | Capacity |
| Azoty-Puławy | Puławy | Globus Hall | 4,119 |
| Górnik Zabrze | Zabrze | HWS Pogoń | 1,777 |
| Gwardia Opole | Opole | Hala Gwardii im. Jerzego Klempela | 1,000 |
| KPR Legionowo | Legionowo | Arena Legionowo | 1,989 |
| Meble Wójcik Elbląg | Elbląg | HSW Mosir | 2,500 |
| MMTS Kwidzyn | Kwidzyn | KWS KCSiR | 1,504 |
| Orlen Wisła Płock | Płock | Orlen Arena | 5,492 |
| Piotrkowianin Piotrków Trybunalski | Piotrków T. | Hala Relax | 1,800 |
| Sandra SPA Pogoń Szczecin | Szczecin | Arena Szczecin | 5,403 |
| SPR Chrobry Głogów | Głogów | HWS im. Ryszarda Matuszaka | 2,500 |
| SPR Stal Mielec | Mielec | Hala SW MOSiR | 2,200 |
| Vive Tauron Kielce | Kielce | Hala Legionów | 4,200 |
| Wybrzeże Gdańsk | Gdańsk | HWS Gdańsk | 1,700 |
| Zagłębie Lubin | Lubin | RCS Lubin | 3,714 |