| Datum | Země | Název, adresa | Pořadatel |
|---|---|---|---|
| 21.1.2017 |  | 559 Fights - 559 Fights 53 Visalia Convention Center, Visalia, California, United States | 559 Fights |
| 21.1.2017 |  | ACB 52 - Vienna Hallmann Dome, Vienna, Austria | Absolute Championship Akhmat |
| 21.1.2017 | | Bellator 170 - Sonnen vs. Ortiz The Forum, Inglewood, California, United States | Bellator MMA |
| 21.1.2017 | | CN - Combat Night: Pro 1 The Moon, Tallahassee, Florida, United States | Combat Night (Florida) |
| 21.1.2017 | | Fierce FC 4 - Reverence Utah State Fair Park, Salt Lake City, Utah, United States | Fierce Fighting Championship |
| 21.1.2017 | | FightForce - Billings Battle 6 Big Horn Resort, Billings, Montana, United States | FightForce |
| 21.1.2017 | | Inner Strength MMA 9 - There Can Only Be One St. Croix Casino, Danbury, Wisconsin, United States | Inner Strength MMA |
| 21.1.2017 |  | K-MMA - Amateur 20 Heriberto Gutierrez de la Ceja Gymnasium, El Alto, La Paz, Bolivia | Katari Mixed Martial Arts |
| 21.1.2017 |  | MFC - Munja Fighting Championship Tresnjevka Sports Hall, Zagreb, Croatia | Munja Fighting Championship |
| 21.1.2017 | | Midwest Fight League - Night Of Champions Macon Expo Center, Macon, Missouri, United States | Midwest Fight League |
| 21.1.2017 |  | MMA Bundesliga - Happy New Heroic Battle 2017 Ruhrstadt Arena, Herne, North Rhine-Westphalia, Germany | MMA Bundesliga |
| 21.1.2017 |  | NT MMA - Camp Grao Mestre Luiz Alves, Grajau, Rio de Janeiro, Brazil | Novos Talentos MMA |
| 21.1.2017 | | NYFE 13 - Checkmate Club Amazura, Queens, New York, United States | New York Fight Exchange |
| 21.1.2017 |  | OGC - Open Golden Cup 2 Darfo Boario Terme Sports Hall, Darfo Boario Terme, Brescia, Italy | Open Golden Cup |
| 21.1.2017 |  | SFL 2017: Fields of Fire - U.P. Nawabs vs. Sher-E-Punjab Siri Fort Sports Complex, New Delhi, Delhi, India | Super Fight League |
| 21.1.2017 |  | SibForce - Road to Cage 2 Sparta MMA Hall, Ulan-Ude, Buryatia, Russia | SibForce |
| 21.1.2017 | | Storm FC - Campbell vs. Troiano Lambretta Studios, Milan, Italy | Storm MMA Fighting Championship |
| 21.1.2017 | | Titan FC 43 - Torres vs. Nobre Watsco Center, Coral Gables, Florida, United States | Titan Fighting Championship |
| 21.1.2017 |  | Top FC - TFC Dream 2: Lightweight Tournament Semifinals Gyeongsan Indoor Gymnasium, Gyeongsan, North Gyeongsang, South Korea | Top Fighting Championship |
| 21.1.2017 | | Uppercut Promotions - Rendirse Rage 1 FIU Biscayne Bay Campus, Miami, Florida, United States | Uppercut Promotions |
| 21.1.2017 | | Valor Fights - Apex Fights 13 Soddy-Daisy Wresling Arena, Soddy-Daisy, Tennessee, United States | Valor Fights (Tennessee) |
| 21.1.2017 | | WCFL 17 - World Class Fight League 17 Double Tree Hilton Hotel, Tampa, Florida, United States | World Class Fight League |
| 21.1.2017 | | WFC - World Fighting Championships 63 Belle of Baton Rouge Casino and Hotel, Baton Rouge, Louisiana, United States | World Fighting Championships (Nevada) |