Karine “Killer”Silva

Karine Silva is a Brazilian mixed martial artist who competes in the UFC women’s flyweight division. The UFC lists her as an active fighter, born in Dourados, Brazil, and training with The Fighting Nerds. She stands 5 feet 5 inches tall, holds a Brazilian jiu-jitsu black belt, and made her UFC debut on June 4, 2022, against Poliana Botelho. Before joining the UFC, Silva built her career on Brazil’s regional circuit and earned her contract through Dana White’s Contender Series in October 2021, submitting Qihui Yan by guillotine choke.

Silva is known for an aggressive, finish-oriented style that blends active striking with dangerous submission grappling. Her UFC career has included victories over Ketlen Souza, Maryna Moroz, Ariane da Silva and Dione Barbosa, while her most recent recorded bout was a unanimous-decision loss to Jasmine Jasudavicius on April 18, 2026. Her win over Moroz at UFC 292 came by guillotine choke with one second remaining in the opening round, highlighting the opportunistic submission game associated with her nickname, “Killer.”