Mayra Bueno Silva (born August 22, 1991) is a Brazilian mixed martial artist who competes in the women's Bantamweight division of the Ultimate Fighting Championship (UFC). As of October 8, 2024, she is #6 in the UFC women's bantamweight rankings.^[7]

Born in Uberlandia, Silva has lived and trained in gyms in Campinas and São Paulo since January 2015, a couple months before she made her professional debut.^[8]

Starting her career in 2016, Silva only needed 3 fights on the regional Brazilian scene, winning all three and the Batalha MMA Bantamweight title in the process, to be invited onto Dana White's Contender Series Brazil 1. Making quick work of Mayana Souza dos Santos via ninja choke in the first round, she earned a contract to the UFC.^[8]

Silva made her debut on September 22, 2018, facing Gillian Robertson at UFC Fight Night: Santos vs. Anders.^[9] She won the fight via a submission in round one.^[10]

Silva faced Maryna Moroz on March 14, 2020, at UFC Fight Night: Lee vs. Oliveira.^[11] She lost the fight via unanimous decision.^[12] This fight earned her the Fight of the Night award.^[13]

Silva faced Mara Romero Borella on September 19, 2020, at UFC Fight Night 178.^[14] She won the fight via a submission in round one.^[15]

Silva faced Montana De La Rosa on February 27, 2021, at UFC Fight Night 186.^[16] Following a point deduction for Bueno Silva for illegally grabbing the fence, the fight ended in a majority draw.^[17]

Replacing injured Ji Yeon Kim, Silva was expected to face Poliana Botelho on May 1, 2021, at UFC on ESPN 23.^[18] Bueno suffered a back injury in late March and she was pulled from the bout.^[19]

Silva was scheduled to face Manon Fiorot on September 25, 2021, at UFC 266.^[20] The bout was postponed to UFC Fight Night 195 due to COVID-19 protocols.^[21] Silva lost the fight via unanimous decision.^[22]

Returning to Bantamweight, Silva faced Wu Yanan on April 16, 2022, at UFC on ESPN 34.^[23] She won the fight via unanimous decision.^[24] This fight earned her the Fight of the Night award.^[25]

Silva faced Stephanie Egger on August 6, 2022, at UFC on ESPN 40.^[26] She won the fight via an armbar submission in round one.^[27]

Silva faced Lina Länsberg on February 18, 2023, at UFC Fight Night 219.^[28] She won the fight via a kneebar submission in round two.^[29] This win earned her the Performance of the Night award.^[30]

Silva was scheduled to face Miesha Tate on June 3, 2023, at UFC on ESPN 46.^[31] However, on May 10, it was announced that Tate suffered an undisclosed injury and Bueno Silva was moved to headline UFC on ESPN 49 against another former bantamweight champion in Holly Holm.^[32] She won the fight via ninja choke in the second round.^[33] The win also earned Silva her second consecutive Performance of the Night bonus award.^[34] On August 21, 2023, it was announced that Bueno Silva had been flagged by the Nevada State Athletic Commission for a potential doping violation after testing positive for Ritalinic acid in a pre-fight test. Bueno Silva claimed that the substance comes from an ADHD medication she had been taking for the past three years.^[35] Her bout with Holm was later overturned to a No Contest and she was suspended, being eligible to fight again on November 29, 2023.^[36]

Silva faced Raquel Pennington on January 20, 2024, at UFC 297 for the vacant UFC Women's Bantamweight Championship.^[37] She lost the fight via unanimous decision.^[38]

Silva faced Macy Chiasson on June 29, 2024, at UFC 303.^[39] She lost the fight by technical knockout via doctor stoppage after Chiasson's elbow opened a cut above her eye.^[40] $2,500 of Silva's purse was withheld by the Nevada State Athletic Commission (NSAC) as a result of jumping over the cage after the fight was stopped.^[41]

Silva is scheduled to face Jasmine Jasudavicius in a flyweight bout on February 1, 2025 at UFC Fight Night 250.^[42]

Silva's girlfriend is a UFC alum Gloria de Paula, they met in 2016.^[43]

• Ultimate Fighting Championship
  • Fight of the Night (Two times) vs. Maryna Moroz and Wu Yanan^[13][25]
  • Performance of the Night (Two times) vs. Lina Länsberg and Holly Holm^[30][34]
• Batalha MMA
  • BMMA Bantamweight Championship (one time)

^[44]

• List of current UFC fighters
• List of female mixed martial artists

• Professional MMA record for Mayra Bueno Silva from Sherdog
• Mayra Bueno Silva at UFC