The 2017–18 Euroleague Basketball Next Generation Tournament, also called Adidas Next Generation Tournament by sponsorship reasons, is the 16th edition of the international junior basketball tournament organized by the Euroleague Basketball Company.

As in past years, 32 teams joined the first stage, which are played in four qualifying tournaments between January and February 2017.

The Kaunas Tournament was played between 19 and 21 January 2018.

The Belgrade Tournament was played between 23 and 25 February 2018.

The Final Tournament was played between 17 and 20 May 2018 in Belgrade, Serbia.