The 2018–19 Swiss Basketball League (SBL) season is the 88th season of the top tier basketball league in Switzerland.
The six first qualified teams will join the group for places 1 to 6 while the other six teams will play the group for places 7 to 11.
[1] Winterthur was relegated to the NLB after finishing the previous season in the last position.
Monthey-Chablais achieved the licence A in second instance after being firstly rejected.
[2] Seeded teams played at home games 1, 2 and 5.