UFC on ESPN 19: Hermansson vs. Vettori was a mixed martial arts event produced by the Ultimate Fighting Championship that took place on December 5, 2020 at the UFC Apex facility in Enterprise, Nevada, part of the Las Vegas Metropolitan Area, United States. Middleweights Marvin Vettori fought Jack Hermansson in the main event.

Marvin Vettori, Jack Hermansson, Jamahal Hill, Ovince Saint Preux, Gabriel Benítez, Justin Jaynes