ONE 165: Superlek vs. Takeru was a combat sport event produced by ONE Championship that took place on January 28, 2024, at the Ariake Arena in Tokyo, Japan.

[1][2][3] The event marked the promotion's fourth visit to Tokyo and first since ONE: Century in October 2019.

[7] A ONE Lightweight Submission Grappling World Championship rematch between current champion Kade Ruotolo and Tommy Langaker served as the co-main event.

[8] The pairing previously met at ONE Fight Night 11 which Ruotolo retained the title by unanimous decision.

[5] Northcutt withdrew during the event due to two of his coaches (one being former WEC Featherweight Champion and UFC Hall of Famer Modern Wing Urijah Faber) not having work visas and was replaced by former ONE Bantamweight Champion John Lineker in a openweight bout.