| Prevseason: | 2017–18 |
| Nextseason: | 2019–20 |
| 2018–19 Total League | |
| Season: | 2018–19 |
| Champions: | Etzella (15th title) |
| Runners Up: | T71 Dudelange |
| Relegated: | Kordall Steelers Résidence |
| Teams: | 10 |
The 2018–19 Total League season, is the 66th season of the first division of the professional basketball in Luxembourg.
Amicale is the defending champion.
The regular season consisted in a double-legged round robin tournament where the six first qualified teams advanced to the group for the title, while the other four teams played for avoiding relegation.
In the second stage, all wins from the regular season count for the standings, while the points are reset. The four first qualified teams in the group for the title, advanced to the playoffs, played in a format of best-of-three-games series.
Teams of the relegation group play twice against themselves and twice against the four first qualified teams of the first stage of the Nationale 2. The two worst teams would be relegated.
| Club | City | Arena | |
|---|---|---|---|
| Amicale | Steinsel | Hall omnisports "Alain Marchetti" | |
| Arantia | Larochette | ||
| Esch | Esch-sur-Alzette | Hall omnisport Esch-sur-Alzette | |
| Etzella | Ettelbruck | Centre sportif du Deich | |
| Kordall Steelers | Rodange | ||
| Musel Pikes | Stadtbredimus | Sporthal Stadbriedemes | |
| Racing Luxembourg | Luxembourg City | Centre sportif Tramsschapp | |
| Résidence | Walferdange | Centre Prince Henri | |
| Sparta Bertrange | Bertrange | Centre Atert | |
| T71 Dudelange | Dudelange | Salle Fos Grimler |
Only matches of Total League teams are shown.
Quarterfinals are played in a best-of-three format, while semifinals and finals in a best-of-five (1-1-1-1-1) format.
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