UFC on ESPN 55: Nicolau vs. Perez was a mixed martial arts event produced by the Ultimate Fighting Championship that took place on April 27, 2024, at the UFC Apex facility, in Enterprise, Nevada, United States. A flyweight match between Matheus Nicolau and UFC Flyweight Championship challenger Alex Perez served as the headliner.

Cast:Alex Perez, Matheus Nicolau, Bogdan Guskov, Ryan Spann, Karine Silva, Ariane Lipski da Silva,

Genre:Action,

country:United States of America,

Production:Ultimate Fighting Championship, Zuffa,