UFC on ESPN 23: Reyes vs. Prochazka
- Joer: 2021
- Land: United States of America
- Genre: Action
- Studio: Ultimate Fighting Championship
- Schlësselwuert: mixed martial arts, combat sports, ufc
- Direkter:
- Besetzung: Jiří Procházka, Dominick Reyes, Giga Chikadze, Cub Swanson, Ion Cuțelaba, Dustin Jacoby