UFC 306: O'Malley vs. Dvalishvili (branded as Riyadh Season Noche UFC for sponsorship reasons) was a mixed martial arts event produced by the Ultimate Fighting Championship that took place on September 14, 2024, at the Sphere in Paradise, Nevada, part of the Las Vegas Valley, United States.

"[7][9] A UFC Bantamweight Championship bout between current champion Sean O'Malley and Merab Dvalishvili headlined the event.

[11] The pairing first met at UFC 285 in March 2023, where Grasso won the title by fourth round submission upset.

[12] Their second meeting took place at UFC Fight Night: Grasso vs. Shevchenko 2 in September 2023, which the bout ended by split draw.

[16] The pair was previously expected to meet at UFC 303, but Ortega withdrew just hours before the bout due to illness.