| Datum | Země | Název, adresa | Pořadatel |
|---|---|---|---|
| 12.1.2013 |  | 559 Fights - 559 Fights 9 Old Creek Mill, Bakersfield, California, United States | 559 Fights |
| 12.1.2013 |  | AFU - Arena Fight Uberlandia 6 Sabiazinho Arena, Uberlandia, Minas Gerais, Brazil | Arena Fight Uberlandia |
| 12.1.2013 | | BCP - Cage Wars 14 Grand Junction, Colorado, United States, United States | Bush Cree Promotions |
| 12.1.2013 | | CC - Colosseum Combat 23 Kokomo, Indiana, United States, United States | Colosseum Combat |
| 12.1.2013 | | CMMA - Combat MMA Spirit Bank Event Center, Bixby, Oklahoma, United States | Combat MMA |
| 12.1.2013 | | CTF - Colisao Top Fight Tucuma, Para, Brazil, Brazil | Colisao Top Fight |
| 12.1.2013 | | EC - Extreme Challenge 223 Memorial Auditorium, Burlington, Iowa, United States | Extreme Challenge |
| 12.1.2013 |  | GFC - The Beginning Stadthalle, Grünsfeld, Germany, Germany | Gladiators Fighting Championship (Germany) |
| 12.1.2013 | | IFC - Ignite Fighting Championship Courts of Amarillo, Amarillo, Texas, United States | Ignite Fighting Championship |
| 12.1.2013 | | Iron Fight Combat - Qualify Itaparica, Bahia, Brazil, Brazil | Iron Fight Combat |
| 12.1.2013 | | LF - Lions Fight 3 Paranagua Stevedores Union Social Club, Paranagua, Parana, Brazil | Lions Fight |
| 12.1.2013 | | Madmen Promotions - Night of Champions Michigan Theater of Jackson, Jackson, Michigan, United States | Madmen Promotions |
| 12.1.2013 |  | MMAC - MMA Challengers 8 Spodek Arena, Katowice, Silesian Voivodeship, Poland | MMA Challengers |
| 12.1.2013 | | Northwest Fighting - Young Guns 5 Camas Center, Usk, Washington, United States | Northwest Fighting |
| 12.1.2013 | | OC - Oplot Challenge 26 Kharkiv, Ukraine, United States | Oplot Challenge |
| 12.1.2013 |  | Pancrase - 244 Shinjuku Face, Tokyo, Japan, Japan | Pancrase |
| 12.1.2013 | | PC - Precol Combat 9 Itapua Yacht Club, Unai, Minas Gerais, Brazil | Precol Combat |
| 12.1.2013 | | SF 13 - Stellar Fights 13 Harrington Fair Grounds, Harrington, Delaware, United States | Stellar Fights |
| 12.1.2013 | | SHP 21 - Strike Hard Productions 21 900 Skyland Blvd East, Tuscaloosa, Alabama, United States | Strike Hard Productions |
| 12.1.2013 | | Sparta MMA - Sparta Qualify 1 Prideway Gymnasium, Itajai, Santa Catarina, Brazil | Sparta MMA |
| 12.1.2013 | | Strikeforce - Marquardt vs. Saffiedine Chesapeake Energy Arena, Oklahoma City, Oklahoma, United States | Strikeforce |
| 12.1.2013 | | Team Nogueira - MMA Circuit 2 Team Nogueira Training Center, Rio de Janeiro, Rio de Janeiro, Brazil | Circuito Team Nogueira de MMA |
| 12.1.2013 |  | Vae Victis - Cage Fight Ilminster Intermediate School Gymnasium, Gisborne, New Zealand, New Zealand | Vae Victis Cage Fight |
| 12.1.2013 |  | WFCA - Titans 2 Mixx Events, Kerkrade, Limburg, Netherlands | World Full Contact Association |
| 12.1.2013 | | WWFC - World War Fighting Championship 10 Clive, Iowa, United States, United States | World War Fighting Championship |
| 12.1.2013 | | XKO - Xtreme Knockout 17 The Gym, Arlington, Texas, United States | Back Alley Promotions |