UFC 254: Khabib vs. Gaethje was a mixed martial arts event produced by the Ultimate Fighting Championship that took place on October 24, 2020 at the du Forum on Yas Island, Abu Dhabi, United Arab Emirates. A UFC Lightweight Championship unification bout between current champion Khabib Nurmagomedov and interim champion Justin Gaethje (also former WSOF Lightweight Champion) served as the event headliner.