UFC on ESPN 53: Ribas vs. Namajunas was a mixed martial arts event produced by the Ultimate Fighting Championship that will took place on March 23, 2024, at UFC Apex in Enterprise, Nevada, United States. A women's flyweight bout between Amanda Ribas and former two-time UFC Women's Strawweight Champion Rose Namajunas headlined the event.

• Ultimate Fighting Championship
• Rose Namajunas
• Amanda Ribas
• Karl Williams
• Justin Tafa
• Edmen Shahbazyan
• A.J. Dobson
• Payton Talbott
• Cameron Saaiman