Alex Oliveira is a Brazilian professional mixed martial artist currently competing in the Welterweight division of the Ultimate Fighting Championship (UFC).
Oliveira made his promotional debut as a short notice replacement against Gilbert Burns on March 21, 2015 at UFC Fight Night 62, filling in for an injured Josh Thomson. After arguably winning each of the first two rounds, Oliveira eventually lost via submission in the third round.
For his second fight in the UFC, Oliveira was again tabbed as short notice replacement and faced K.J. Noons on May 30, 2015 at UFC Fight Night 67, filling in for Yan Cabral. Oliveira won the fight via submission in the first round.
Oliveira faced Piotr Hallmann in a lightweight bout on November 7, 2015 at UFC Fight Night 77. He won the fight by knockout in the third round. The win also earned Oliveira his first Performance of the Night bonus award.
Oliveira faced James Moontasri on July 23, 2016 at UFC on Fox 20. He won the one-sided fight via unanimous decision.
Oliveira faced Tim Means on December 30, 2016 at UFC 207. The bout was halted in the first round after Means landed several knees to the head of Oliveira while he was considered a grounded opponent. As a result, Oliveira was unable to continue after the foul occurred. Subsequently, referee Dan Miragliotta judged that the foul was accidental, and in turn, the result was scored a No Contest.
Oliveira defeated Carlos Condit on April 14, 2018 at UFC on Fox 29, after replacing injured Matt Brown.