Ailín Luciana Pérez (born 5 October 1994) is an Argentinian professional mixed martial artist who currently competes in the women's Bantamweight division of the UFC. As of 6 May 2025, she is #7 in the UFC women's bantamweight rankings she is 5'5 and weighs 135lb she has a 66 inch reach. Her finisher is the Arm Triangle Choke. 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