Salah-Dine Parnasse is a French-Moroccan mixed martial artist and boxer, born on December 4, 1997, in Aubervilliers, France, who currently competes in the Lightweight division of the UFC. Born to a Guadeloupean father and a Moroccan mother, he began training MMA at age 11 and turned professional at 17, quickly building a reputation with early submission victories. He rose to prominence in the Polish promotion KSW, where he won the interim Featherweight Championship in April 2019 (KSW 49) and was later promoted to undisputed champion in May 2019. Parnasse then captured the KSW Lightweight title, becoming the promotion's fourth two-division champion in history, and held that belt until his departure. Before joining the UFC, he also competed in organizations like 100% Fight and Most Valuable Promotions, showcasing a strong grappling base with wins via rear-naked chokes and anaconda chokes. His career highlights include multiple title defenses and a notable victory over former champion Marcin Wrzosek, cementing his status as a top European talent.