| Ailín Pérez | |
| Nickname: | Fiona |
| Birth Name: | Ailín Luciana Pérez [1] |
| Birth Date: | 5 October 1994 |
| Birth Place: | Zárate, Buenos Aires, Argentina |
| Weight: | 135lb |
| Weight Class: | Bantamweight |
| Team: | The Goat Shed |
| Years Active: | 2018–present |
| Mma Kowin: | 4 |
| Mma Subwin: | 1 |
| Mma Decwin: | 5 |
| Mma Subloss: | 1 |
| Mma Dqloss: | 1 |
| Sherdog: | 297989 |
| Reach In: | 66 |
Ailín Luciana Pérez [1] (born October 5, 1994) is an Argentine professional mixed martial artist who currently competes in the Bantamweight division of the Ultimate Fighting Championship (UFC).
Pérez started in martial arts at the age of 11 in Zárate, with kung fu and sanda, and at the age of 20 she decided to move to Buenos Aires and do some Brazilian jiu jitsu (BJJ), to get more into MMA. Finally, she turned professional in 2018.[2]
Pérez won the women's bantamweight title of the Brazilian company Samurai Fight House in August 2021 by defeating Alessandra Tainara with a head kick. But she lost it in November 2021 against Tamires Vidal, to whom she applied an illegal knee.
Pérez debuted in the UFC on September 3, 2022.[3] It was scheduled for her to face Zarah Fairn Dos Santos at .[4] However, Fairn was withdrawn from the event for unknown reasons and replaced by Stephanie Egger.[5] Pérez lost the fight by rear-naked choke submission in the second round.[6]
Pérez faced Ashlee Evans-Smith on July 15, 2023, at UFC Fight Night 224.[7] She won the fight by unanimous decision.[8]
Pérez faced Lucie Pudilová on November 18, 2023, at UFC Fight Night 232.[9] She won the fight by unanimous decision.[10]
Despite a prior altercation, Pérez ended up facing Joselyne Edwards on June 1, 2024, at UFC 302.[11] She won the fight once again by unanimous decision.[12]
Pérez is scheduled to face Dariya Zheleznyakova on September 28, 2024 at UFC Fight Night 243.[13]
Before UFC Fight Night 232, Pérez and Joselyne Edwards had an altercation at a training session.[14] [15]
Ailín is a single mother and has a -year-old son.[16]
|-|Win|align=center|10–2|Joselyne Edwards|Decision (unanimous)|UFC 302||align=center|3|align=center|5:00|Newark, New Jersey, United States||-|Win|align=center|9–2|Lucie Pudilová|Decision (unanimous)|||align=center|3|align=center|5:00|Las Vegas, Nevada, United States ||-|Win|align=center|8–2|Ashlee Evans-Smith|Decision (unanimous)|||align=center|3|align=center|5:00|Las Vegas, Nevada, United States|||-|Loss|align=center|7–2|Stephanie Egger|Submission (rear-naked choke)|||align=center|2|align=center|4:54|Paris, France||-|Win|align=center|7–1|Stephanie Bragayrac|TKO (corner stoppage)|Samurai Fight House 4||align=center|2|align=center|5:00|Buenos Aires, Argentina||-|Win|align=center|6–1|Romina Aguirre|TKO (punches)|Samurai Fight House 3||align=center|1|align=center|3:51|Buenos Aires, Argentina||-|Loss|align=center|5–1|Tamires Vidal|DQ (illegal knees)|Samurai Fight House 2||align=center|3|align=center|3:00|Rio de Janeiro, Brazil||-|Win|align=center|5–0|Alessandra Tainara|KO (head kick)|Samurai Fight House 1||align=center|1|align=center|4:20|Bahia, Brazil||-|Win|align=center|4–0|Geyse Yasmin|Decision (unanimous)|NFC 19||align=center|3|align=center|5:00|Rio Grande do Norte, Brazil||-|Win|align=center|3–0|Fiorella Cardozo|TKO (retirement)|CFU 12: Arena||align=center|1|align=center|1:02|Montevideo, Uruguay||-|Win|align=center|2–0|Laura Ribeiro|Submission (rear-naked choke)|CFU 10: Revolution Fight||align=center|2|align=center|1:45|Montevideo, Uruguay||-|Win|align=center|1–0|Noemi Galarza|Decision (unanimous)|ULLAMP: Liga Sudamericana||align=center|3|align=center|5:00|Buenos Aires, Argentina||-