UFC 294: Makhachev vs. Volkanovski 2 was a mixed martial arts event produced by the Ultimate Fighting Championship that took place on October 21, 2023, at the Etihad Arena in Abu Dhabi, United Arab Emirates. A UFC Lightweight Championship rematch between current champion Islam Makhachev and former champion Charles Oliveira was expected to headline the event. However, Oliveira withdrew due to injury and was replaced by UFC Featherweight Champion Alexander Volkanovski on 11 days notice.