UFC 292: Sterling vs. O'Malley was a mixed martial arts event produced by the Ultimate Fighting Championship that took place on August 19, 2023, at the TD Garden in Boston, Massachusetts, United States.
The event marked the promotion's seventh visit to Boston and first since in October 2019.
A UFC Bantamweight Championship bout between current champion Aljamain Sterling and Sean O'Malley headlined the event.
A UFC Women's Strawweight Championship bout between current two-time champion Zhang Weili and Amanda Lemos served as the co-headliner.
The lightweight and bantamweight finals of took place at the event.
Former LFA Middleweight Champion Gregory Rodrigues and Denis Tiuliulin were expected to meet in a middleweight bout at . However, the bout was postponed to this event after Tiuliulin withdrew due to undisclosed reasons.
A bantamweight bout between former UFC Flyweight and Bantamweight Champion Henry Cejudo (also 2008 Olympic gold medalist in freestyle wrestling) and Marlon Vera was expected to take place at the event. However, Cejudo withdrew in late June due to a shoulder injury. He was replaced by Pedro Munhoz.
A bantamweight bout between Rob Font and Song Yadong was expected to take place at the event. However, Yadong withdrew for unknown reasons and Font was instead scheduled to face Cory Sandhagen two weeks prior at as Sandhagen was in need of a new opponent.
A welterweight bout between Ian Machado Garry and Geoff Neal was expected to take place at the event. However, Neal withdrew due to undisclosed health reasons. He was replaced by Neil Magny.
Former bantamweight champion Cody Garbrandt was scheduled to face Mario Bautista. However, Garbrandt pulled out due to injury a week before the event. He was replaced by Da'Mon Blackshear, who last fought a week before at .
The following fighters received $50,000 bonuses.
The following is the reported payout to the athletes as reported to the Massachusetts State Athletic Commission (MSAC). It does not include sponsor money or "locker room" bonuses often given by the UFC.