Ailín Pérez, detto «Fiona», è un lottatore di MMA della categoria pesi gallo femminili. Il suo record nelle arti marziali miste è 14–2 (vittorie–sconfitte–pareggi). Scheda: 31 anni, altezza 165 cm, allungo 168 cm.
| Esito | Avversario | Metodo | Evento | Data |
|---|---|---|---|---|
| Win | Norma Dumont | Decision (unanimous) | UFC Fight Night: Rosas Jr. vs. Barcelos | 26 September 2026 |
| Win | Macy Chiasson | Decision (unanimous) | UFC Fight Night: Moreno vs. Kavanagh | 28 February 2026 |
| Win | Karol Rosa | Decision (unanimous) | UFC 311 | 18 January 2025 |
| Win | Darya Zheleznyakova | Submission (arm-triangle choke) | UFC Fight Night: Moicano vs. Saint Denis | 28 September 2024 |
| Win | Joselyne Edwards | Decision (unanimous) | UFC 302 | 1 June 2024 |
| Win | Lucie Pudilová | Decision (unanimous) | UFC Fight Night: Allen vs. Craig | 18 November 2023 |
| Win | Ashlee Evans-Smith | Decision (unanimous) | UFC on ESPN: Holm vs. Bueno Silva | 15 July 2023 |
| Loss | Stephanie Egger | Submission (rear-naked choke) | UFC Fight Night: Gane vs. Tuivasa | 3 September 2022 |
| Win | Stephanie Bragayrac | TKO (corner stoppage) | Samurai Fight House 4 | 22 May 2022 |
| Win | Romina Aguirre | TKO (punches) | Samurai Fight House 3 | 12 February 2022 |
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