UFC Fight Night: Allen vs. Costa (also known as UFC Fight Night 276 and UFC Vegas 117) is an upcoming mixed martial arts event produced by the Ultimate Fighting Championship that is scheduled to take place on May 16, 2026, at the Meta Apex in Enterprise, Nevada, part of the Las Vegas Valley, United States.
A featherweight bout between Arnold Allen and Melquizael Costa is expected to serve as the event's headliner.