| Prevseason: | 2017–18 |
| Nextseason: | 2019–20 |
| Energa Basket Liga | |
| Season: | 2018–19 |
| Champions: | Anwil Włocławek (3rd title) |
| Runners Up: | Polski Cukier Toruń |
| Third Place: | Arka Gdynia |
| Fourth Place: | Stelmet Enea Zielona Góra |
| Teams: | 16 |
| Mvp: | James Florence |
| Mvp Link: | PLK MVP |
| Mvp N: | USA |
| Finals Mvp: | Ivan Almeida |
| Finals Mvp Link: | PLK Finals MVP |
| Finals Mvp N: | Cape Verde |
| Pir Leader: | Shawn King |
| Pir: | 20.9 |
| Pir N: | USA |
| Top Scorer: | Jabarie Hinds |
| Ppg: | 21.7 |
| Ppg N: | USA |
| Rebounds Leader: | Shawn King |
| Rpg: | 11.1 |
| Rpg N: | USA |
| Assists Leader: | Obie Trotter |
| Apg: | 7.6 |
| Apg N: | USA |
The 2018–19 Polish Basketball League (PLK) season, the Energa Basket Liga for sponsorship reasons, was the 85th season of the Polish Basketball League, the highest professional basketball league in the Poland. Anwil Włocławek defended its title and repeated as Polish champions.[1]
Czarni Słupsk withdrew during the 2017–18 PLK season because of financial problems.
On 17 May 2018, Spójnia Stargard promoted to the PLK as the winners of the I Liga, after defeating Sokół Łańcut 3–0 in the playoff finals.[2]
Also, during the pre-season, PGE Turów Zgorzelec withdrew from the tournament.
| Team | Location | Arena | Capacity | |
|---|---|---|---|---|
| align=center | ||||
| align=center | ||||
| Hala Widowiskowo-Sportowa | align=center | |||
| Hala Sportowa Stal | align=center | |||
| Arena Gliwice | align=center | |||
| ZSE Radom | align=center | |||
| OSiR Bemowo | align=center | |||
| MOSiR Krosno | align=center | |||
| Centrum Hall | align=center | |||
| Argo-Kociewie | ||||
| Arena Toruń | align=center | |||
| align=center | ||||
| Hala Globus | ||||
| Hala Miejska | align=center | |||
| align=center | ||||
| align=center | ||||
Quarterfinals and semifinals are played in a best-of-five format (2-2-1) while the finals in a best-of-seven one (2-2-1-1-1).
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All official awards of the 2018–19 PLK season.
| Player | Team | |
|---|---|---|
 James Florence | Asseco Arka Gdynia | |
| Asseco Arka Gdynia | ||
| Stelmet Enea BC Zielona Góra | ||
| MKS Dąbrowa Górnicza | ||
| Polski Cukier Toruń |
| Team | Competition | Progress |
|---|---|---|
| EuroCup | Regular season | |
| Champions League | Regular season | |
| Third qualifying round | ||
| FIBA Europe Cup | First qualifying round | |
| Team | Competition | Progress |
|---|---|---|
| VTB United League | 12th | |
| Alpe Adria Cup | Semifinals | |