The 2017–18 Lietuvos krepšinio lyga, also called Betsafe-LKL for sponsorship reasons, was the 25th season of the top-tier level professional basketball league of Lithuania, the Lietuvos krepšinio lyga (LKL). The season started in September 2017, and the last game of final series was played in 18 June 2018. Žalgiris is the defending champion.