UFC 231: Holloway vs. Ortega
- Tahun: 2018
- Negara: United States of America
- Aliran: Aksi
- Studio: Zuffa
- Kata kunci: mixed martial arts, sport competition
- Direktur:
- Pemeran: Max Holloway, Brian Ortega, Valentina Shevchenko, Joanna Jędrzejczyk, Gunnar Nelson, Alex Oliveira