Regina Tarin

Regina "Kill Bill" Tarin is a Mexican mixed martial artist competing in the UFC's women's flyweight division. Born in Mexico, Tarin is a fierce and technically skilled competitor who has emerged as one of the more captivating presences in women's MMA, fighting with a tenacity and precision that her nickname — borrowed from the iconic cinematic warrior — suits to a tee.

Tarin began her martial arts journey with a background rooted in striking disciplines, eventually developing the well-rounded game necessary to compete at the sport's highest levels. Her development has seen her train across multiple environments, with dedicated work on her wrestling and ground game complementing the striking foundation that first brought her to prominence on the regional scene in Mexico and Latin America. She earned her UFC opportunity through a combination of impressive finishes and consistent performances that showcased finishing instincts and the ability to impose her style on a wide range of opponents.

In the cage, Tarin fights with a sharpness and urgency that makes her a danger at all times. Her striking is technical and explosive, and she transitions smoothly from stand-up exchanges to clinch work, where her physicality becomes an asset. She has demonstrated the ability to adapt mid-fight, adjusting her approach based on what the moment demands rather than forcing a single strategy. The "Kill Bill" moniker reflects a finishing instinct that has defined some of her most memorable performances and made her a fighter that crowds quickly warm to.

Since entering the UFC, Tarin has proven herself a legitimate competitor in one of the sport's most exciting divisions. Her Mexican background has given her a passionate fan base, and her style of fighting delivers the kind of action that resonates well beyond her home country.

As the women's flyweight division continues to deepen with global talent, Tarin is positioned as a formidable challenger who brings both technical skill and fierce competitive spirit to every appearance.

Stats last updated: September 19, 2026