2018–19 NBL (Czech Republic) season
| Kooperativa NBL1 | |
|---|---|
| Season | 2018–19 |
| Duration | 26 September 2018 – May 2019 |
| Teams | 12 |
| Finals | |
| Champions | ČEZ Nymburk 16th title |
← 2017–18 2019–20 →
1 Sponsored league name. | |
The 2018–19 National Basketball League (Czech Republic) season was the 26th season of the Czech NBL. ČEZ Nymburk achieved their 16th consecutive title, this time without losing any game in the whole season.