The 2023–24 Alpe Adria Cup is the 8th edition of the Alpe Adria Cup, an annual professional basketball competition.

11 teams from central European countries (Austria, Croatia, Czech Republic, Poland, Romania, Slovakia and Slovenia) compete this season.

: Place in the domestic competition.

TH: Title holder.

*KD Ilirija had also played qualification tournament for the 2023-24 ABA League second division, but lost in the semifinal.