| Datum | Země | Název, adresa | Pořadatel |
|---|---|---|---|
| 26.5.2012 |  | 559 Fights - 559 Fights 2 Kings County Fairgrounds, Hanford, California, United States | 559 Fights |
| 26.5.2012 | | AAMMA 26 - Absolute Action MMA 26 Shimmers Tavern and Ballroom, Fort Wright, Kentucky, United States | Absolute Action MMA |
| 26.5.2012 |  | ACC 13 - Amateur Combat Club 13 Maximo's Combat Club, Rimac, Lima, Peru | Amateur Combat Club |
| 26.5.2012 |  | AF - Arena Fight 5 Izidorio Junior Park, Redencao, Para, Brazil | Arena Fight (Para) |
| 26.5.2012 |  | Aftershock MMA - Aftershock 12.2 HaMMA Arena, Brisbane, Queensland, Australia | Aftershock MMA |
| 26.5.2012 | | Alaska Beatdown - Beatdown 6 Centennial Hall, Juneau, Alaska, United States | Alaska Beatdown |
| 26.5.2012 | | ATS 1 - ATS Kombat 1 Rodanes Social Club, Senador Firmino, Minas Gerais, Brazil | ATS Kombat |
| 26.5.2012 | | Conflict MMA - Fight Night at the Point 5 Omar Shrine Temple, Mount Pleasant, South Carolina, United States | Conflict MMA Promotions |
| 26.5.2012 |  | CUFF 4.5 - The Rematch Fuzion Restaurant & Bar, Port of Spain, Trinidad and Tobago, Trinidad and Tobago | Caribbean Ultimate Fist Fighting |
| 26.5.2012 |  | DB 6 - Havirov Storm Czech Republic Weightlifting Arena, Havirov, Czech Republic, Czech Republic | Den Bojovnikov |
| 26.5.2012 | | Dead Serious MMA - Dead Serious 4 Rahway Recreation Center, Rahway, New Jersey, United States | Dead Serious MMA |
| 26.5.2012 |  | Deep - Osaka Impact Azalea Taisho Hall, Osaka, Japan, Japan | Deep |
| 26.5.2012 |  | Draka 7 - Governor's Cup 2012 Vladivostok, Russia, Russia | Draka |
| 26.5.2012 | | EMF - Explosive MMA Fighter Sao Simao Sports Gymnasium, Sao Simao, Sao Paulo, Brazil | Explosive MMA Fighter |
| 26.5.2012 | | FEFoMP - Mayor Cup 2012 Platinum Arena, Khabarovsk, Russia, Russia | Modern Fighting Pankration |
| 26.5.2012 |  | FN - Fighters Night Municipal Sports and Entertainment Center, Ostrowiec Swietokrzyski, Poland | Fighters Night |
| 26.5.2012 | | Forca - Deblin Na Towarowej Wayside Inn, Deblin, Poland, Poland | Forca |
| 26.5.2012 |  | FZ - Fight Zone Velenje, Slovenia, Slovenia | Fight Zone |
| 26.5.2012 |  | ICNZ - ICNZ 17 / Grassroots 3 North Shore Events Centre, Auckland, Auckland, New Zealand | Industry of Combat New Zealand |
| 26.5.2012 | | Jewels - 19th Ring Azalea Taisho Hall, Osaka, Japan, Japan | Jewels |
| 26.5.2012 | | Kings of the Ring - Salzburg, Austria, Brazil | King of the Ring |
| 26.5.2012 |  | KK 6 - Origins Arena Trier, Trier, Germany, Germany | Kombat Komplett |
| 26.5.2012 | | Knockout Promotions - Knockout MMA Callinan Sports and Fitness Center, Rohnert Park, California, United States | Knockout Promotions (California) |
| 26.5.2012 |  | MCC 4 - Morganti Contact Championship 4 Olympia Park, Rustenburg, North West, South Africa | Morganti Contact Championship |
| 26.5.2012 | | MF - Minas Fight Sider Club Lafaiete, Conselheiro Lafaiete, Minas Gerais, Brazil | Minas Fight |
| 26.5.2012 | | MMAC 7 - Titans Night Municipal Sports and Entertainment Arena, Krosno, Poland, Poland | MMA Coloseum |
| 26.5.2012 | | MMAP - Battle of Jarocin Jarocin, Poland, Poland | MMA Pleszew |
| 26.5.2012 | | NSC - North Star Combat 1 - Inception Seven Clans Casino, Red Lake, Minnesota, United States | North Star Combat |
| 26.5.2012 | | OMMA - Oktagon MMA 1 Sanok Arena, Sanok, Poland, Poland | Oktagon |
| 26.5.2012 | | PF - Paranagua Fight 6 Joaquim Tramujas Gymnasium, Paranagua, Parana, Brazil | Paranagua Fight |
| 26.5.2012 |  | PFN - Phoenix Fighting Championships 4 Bournemouth, Dorset, England, England | Phoenix Fight Night |
| 26.5.2012 | | PLMMA 2 - Koszalin Koszalin, Poland, Poland | Professional League of MMA |
| 26.5.2012 |  | Punisher 4 - Punisher Machala 4 Top Gym, Guayaquil, Guayas, Ecuador | Punisher Machala |
| 26.5.2012 | | RF - Rebel Fighter Amador Fairgrounds, Plymouth, California, United States | Rebel Fighter |
| 26.5.2012 | | RMMA - Rockstrike MMA CAVE Gymnasium, Brasilia, Federal District, Brazil | Rockstrike Fighting Tournament |
| 26.5.2012 |  | SF - Spartano Fighting 2 Casa D'Italia Amphitheater, Bolivar City, Bolivar, Venezuela | Spartano Fighting |
| 26.5.2012 |  | SLV - Challenge 7 Airport Casino, Basel, Switzerland, Switzerland | Swiss Las Vegas |
| 26.5.2012 | | U-File Camp - U-File Special West Chofu Combat Sports Arena, Chofu, Tokyo, Japan | U-File Camp |
| 26.5.2012 | | UCL 13 - Sandpoint Stand-Off 2 Bonner County Fairgrounds, Sandpoint, Idaho, United States | Unified Combat League |
| 26.5.2012 | | UCMMA 28 - Ultimate Challenge MMA 28 The Troxy, London, Greater London, England | Ultimate Challenge MMA |
| 26.5.2012 | | UFC 146 - Dos Santos vs. Mir MGM Grand Garden Arena, Las Vegas, Nevada, United States | UFC - Ultimate Fighting Championship |
| 26.5.2012 |  | United Glory - 2012 Glory World Series Ericsson Globe Arena, Stockholm, Sweden, Sweden | Glory |
| 26.5.2012 | | USAKMMA - Day of the Warrior Levelz Nightclub, Melbourne, Florida, United States | USA Kickboxing MMA Promotions |
| 26.5.2012 | | UWF - Tournament of Warriors Round 2 Laredo Energy Arena, Laredo, Texas, United States | Ultimate Warrior Fighting |