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"Fenômeno"

KETLEN VIEIRA

Rank #15Brazilian· Team Feitosa, Nova União Manaus
KV

Height

5' 9"

Reach

68"

Stance

Orthodox

Age

34

Hailing from Manaus, Brazil, orthodox bantamweight competitor Ketlen Vieira began training in Brazilian Jiu-Jitsu early in life. Representing Nova União Manaus and Team Feitosa, the Brazilian fighter earned black belts in both judo and Brazilian Jiu-Jitsu. During her tenure in the UFC's bantamweight division, "Fenômeno" secured notable victories over Miesha Tate and Holly Holm.

Entering UFC 329 with a 5-3-0 record, Vieira has alternated outcomes over her last five matches. She defeated Pannie Kianzad by unanimous decision in July 2023, but dropped a unanimous decision to Kayla Harrison in October 2024. Vieira rebounded with a unanimous decision win against Macy Chiasson in May 2025, before suffering a split decision defeat to Norma Dumont in November 2025. In her most recent bout on May 16, 2026, she secured a unanimous decision victory over Jacqueline Cavalcanti.

Record entering UFC 329: McGregor vs. Holloway 2

5
Wins
3
Losses
0
Draws
5-3-0
Overall

Previous fights

08vs. Jacqueline Cavalcanti
Win16-5-0·Decision (unanimous)
UFC Fight Night: Allen vs. Costa·Las Vegas, Nevada, United States
May 16, 2026·Round 3·5:00
07vs. Norma Dumont
Loss15-5-0·Decision (split)
UFC Fight Night: Garcia vs. Onama·Las Vegas, Nevada, United States
Nov 1, 2025·Round 3·5:00
06vs. Macy Chiasson
Win15-4-0·Decision (unanimous)
UFC on ESPN: Gamrot vs. Klein·Las Vegas, Nevada, United States
May 31, 2025·Round 3·5:00
05vs. Kayla Harrison
Loss14-4-0·Decision (unanimous)
UFC 307·Salt Lake City, Utah, United States
Oct 5, 2024·Round 3·5:00
04vs. Pannie Kianzad
Win14-3-0·Decision (unanimous)
UFC Fight Night: Aspinall vs. Tybura·London, England
Jul 22, 2023·Round 3·5:00
03vs. Raquel Pennington
Loss13-3-0·Decision (split)
UFC Fight Night: Strickland vs. Imavov·Las Vegas, Nevada, United States
Jan 14, 2023·Round 3·5:00
02vs. Holly Holm
Win13-2-0·Decision (split)
UFC Fight Night: Holm vs. Vieira·Las Vegas, Nevada, United States
May 21, 2022·Round 5·5:00
01vs. Miesha Tate
Win12-2-0·Decision (unanimous)
UFC Fight Night: Vieira vs. Tate·Las Vegas, Nevada, United States
Nov 20, 2021·Round 5·5:00

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Max HollowayConor McGregorPaddy PimblettBenoît Saint DenisMario BautistaCory SandhagenBrandon RoyvalLone'er KavanaghKing GreenTerrance McKinneyRobert WhittakerNikita KrylovGable StevesonElisha EllisonAdrian YañezCody GarbrandtLuke RileyKai Kamaka IIIWang CongTracy CortezDamian PinasCésar AlmeidaFarid BasharatJohn GarzaRyan GandraZachary ReeseAlessandro CostaCody Durden