| Datum | Země | Název, adresa | Pořadatel |
|---|---|---|---|
| 5.5.2018 |  | A1WCC - A1 World Combat Cup Finals 2018 Hasselt, Limburg, Belgium | A1 World Combat Cup |
| 5.5.2018 |  | ACB 86 - Moscow Olympic Stadium, Moscow, Russia | Absolute Championship Akhmat |
| 5.5.2018 |  | AFC - Acara Fight Combat 3 Dico Oliveira (Dicao) Gymnasium, Acara, Para, Brazil | Acara Fight Combat |
| 5.5.2018 |  | AFL 15 - Typhoon Atano III Municipal Fronton, Guipuzcoa, Basque Country, Spain | Ansgar Fighting League |
| 5.5.2018 | | Brabos Combat 13 - Fight in Rio Rio Largo, Alagoas, Brazil | Brabos Combat |
| 5.5.2018 |  | Budo 30 - Armstrong vs. Bonner Grangemouth Sports Complex, Grangemouth, Scotland | Budo Fighting Championships |
| 5.5.2018 |  | C4 Fighting Championships 6 - Rumble by the River 3 Paducah Expo Center, Paducah, Kentucky, United States | C4 Fighting Championships |
| 5.5.2018 |  | CAA - Circuito Amateur Arequipa 1 CC. La Casona, Arequipa, Peru | Circuito Amateur Arequipa |
| 5.5.2018 | | Cageside Promotions / KCFA - Kansas City Fighting Alliance 28 Truman Memorial Building, Independence, Missouri, United States | Kansas City Fighting Alliance (Cageside Promotions) |
| 5.5.2018 | | CageSport MMA - CageSport 51 Seven Feathers Casino Resort, Canyonville, Oregon, United States | CageSport MMA |
| 5.5.2018 |  | Capital Fights 3 - Santana vs. Vallee Georges Carpentier Hall, Paris, France | Capital Fights (France) |
| 5.5.2018 | | CBMMA - Cage Boss 1 Magal-Kan Academy, Anapolis, Goias, Brazil | Cage Boss MMA |
| 5.5.2018 | | CF - Clev Fight 1 Antonio Mariano Zardo Gymnasium, Clevelandia, Parana, Brazil | Clev Fight |
| 5.5.2018 | | CFC - Capanema Fight Combat 22 Gymnasium Dimension College, Capanema, Para, Brazil | Capanema Fight Combat |
| 5.5.2018 | | CFC - Capinopolis Fighting Championship 1 Campos Eliseos Gymnasium, Capinopolis, Minas Gerais, Brazil | Capinopolis Fighting Championship |
| 5.5.2018 | | CFFC - Chosen Few Fighting Championships 14 Monona Terrace Convention Center, Madison, Wisconsin, United States | Chosen Few Fighting Championships |
| 5.5.2018 | | Costa Combat - MMA Costa Combat 29 Botucatuense Athletic Association (AAB) Gymnasium, Botucatu, Sao Paulo, Brazil | Costa Combat |
| 5.5.2018 | | CPA 12 - Copa Pro Acao 12 Bailao do Henrique Gymnasium, Praia do Leste, Parana, Brazil | Copa Pro Acao |
| 5.5.2018 | | CPG MMA 12 - Paulao Fight: 24 Years Zenidim Park, Ponta Grossa, Parana, Brazil | Championship Ponta Grossa |
| 5.5.2018 | | DSMMA - Dead Serious 29 Showboat Hotel, Atlantic City, New Jersey, United States | Dead Serious MMA |
| 5.5.2018 |  | Eternal MMA 33 - Mumford vs. Joblin Southport Sharks, Gold Coast, Queensland, Australia | Eternal MMA |
| 5.5.2018 | | FFIT - Fight For It 2 Blue Ridge Harley-Davidson, Hickory, North Carolina, United States | Fight For It Company |
| 5.5.2018 |  | GEFC / TT Fight Club - GEFC Global Elektra Events Hall, Baku, Azerbaijan | Grand European Fighting Championship |
| 5.5.2018 |  | Gionco International - AMA 31 Fraserview Hall, Vancouver, British Columbia, Canada | Gionco International |
| 5.5.2018 | | Guerreros del Cuadrilatero - GC6 Municipal Pavilion, Barcelona, Catalonia, Spain | Guerreros del Cuadrilatero |
| 5.5.2018 |  | IFC 3 - Paterno vs. Maguire Teatro Principe, Milan, Italy | Italian Cage Fighting |
| 5.5.2018 |  | IFC MMA - Integra FC 9 Eventum Wittlich, Wittlich, Germany | Integra Fighting Championship |
| 5.5.2018 | | JTZ - I Jataizinho Explosion Fight Championship Sports Gymansium Domingao, Jataizinho, Parana, Brazil | Jataizinho Explosion Fight Championship |
| 5.5.2018 |  | LFC 2 - Guerra de Titanes Coliseo Ciudad de Loja, Loja, Ecuador | Loja Fighting Championship |
| 5.5.2018 |  | MCP 8 - Sinis vs Skafias Vergina Stage, Thessaloniki, Greece, Greece | MMA Challenge Pro |
| 5.5.2018 | | MFC - Maranhao Fight Combat 8 Maranhao, Brazil., Brazil | Maranhao Fight Combat MMA |
| 5.5.2018 |  | MFC - Misiones Fighting Championship 2 Club Crucero del Norte, Misiones, Argentina | Misiones Fighting Championship |
| 5.5.2018 |  | MMA Galla - Vol. 5 Odense Sports Hall, Odense, Denmark | MMA Galla |
| 5.5.2018 | | NBCSP - Showdown 5 Dee Why RSL, New South Wales, Australia | Northern Beaches Combat Sports Promotions |
| 5.5.2018 | | NC - Nauas Combat 10 Jader Machado Gymnasium, Cruzeiro do Sul, Acre, Brazil | Nauas Combat |
| 5.5.2018 | | NCE 26 - New Corpore Extreme 26 CT New Corpore Fight, Rio de Janeiro, Rio de Janeiro, Brazil | New Corpore Extreme |
| 5.5.2018 | | Nemesis Promotions - Renegade Fight Night: Chapter 1 Jacksons MMA Colorado, Pueblo, Colorado, United States | Nemesis Promotions |
| 5.5.2018 |  | One Pride MMA Fight Night 19 - Combat of the Unbroken Britama Arena Mahaka Square, Kelapa Gading, Jakarta Utara, Indonesia | One Pride MMA |
| 5.5.2018 | | Qualify Combat 6 - Qualify Combat Striker Hotel Sol Bahia, Salvador, Bahia, Brazil | Qualify Combat |
| 5.5.2018 | | RCC - Russian Cagefighting Championship 2 KRK Uralets Arena, Yekaterinburg, Sverdlovsk, Russia | Russian Cagefighting Championship |
| 5.5.2018 | | Redemption Fighters 5 - Zapata vs. Humberly Plaza de Armas de SJL, San Juan de Lurigancho, Lima, Peru | Redemption Fighters |
| 5.5.2018 | | Reign FC - MMA Fight Night Clearwater Casino Resort, Suquamish, Washington, United States | Reign Fighting Championship |
| 5.5.2018 | | RFC - Bashlam Battle 10 Urus-Martan, Chechnya, Russia | Russian Fighting Championship |
| 5.5.2018 | | Ruslan Fight Club - Victory Day 2018 Ruslan Fight Club, Nakhodka, Primorsky, Russia | Ruslan Fight Club |
| 5.5.2018 |  | SCF 7 - Santa Cruz Fighting 7 Municipal District Coliseum 2, Santa Cruz de la Sierra, Santa Cruz, Bolivia | Santa Cruz Fighting |
| 5.5.2018 |  | Scorpion Figths Promotions - Batalla en Las Fuentes: Mexico vs. America Las Fuentes Recreation Center, Ciudad Juarez, Chihuahua, Mexico | Scorpion Figths Promotions (MX) |
| 5.5.2018 |  | SHC 12 - Strength & Honor Championship 12 Geneva Arena, Le Grand-Saconnex, Geneva, Switzerland | Strength & Honor Championship (Switzerland) |
| 5.5.2018 |  | Shoot Challenge - Shoot Challenge 29 Stockholm, Sweden, Sweden | Shoot Challenge |
| 5.5.2018 | | Spartanos Fight MMA 1 - Conterraneo vs Ribeiro SAGAE Event Center, Bauro, Sao Paulo, Brazil | Spartanos Fight MMA |
| 5.5.2018 | | Superior FC 19 - Superior Fighting Championship 19 Eissporthalle Darmstadt, Darmstadt, Germany | Superior Fighting Championship |
| 5.5.2018 | | TDOT - The Den Of Tigers Palasport, Ruvo di Puglia, Italy, Italy | The Den Of Tigers |
| 5.5.2018 |  | Team Lakay Championship 15 - The Kapangan MMA Invasion 3 Kapangan Municipal Gym, Kapangan, Benguet, Philippines | Team Lakay Championship |
| 5.5.2018 | | Tru Rev MMA - True Revelation MMA 36 Bridge View Center, Ottumwa, Iowa, United States | True Revelation MMA |
| 5.5.2018 | | Valor Fights - StrikeFest 4 D3 Sports, Johnson City, Tennessee, United States | Valor Fights (Tennessee) |
| 5.5.2018 | | Walkout FC 10 - Cinco De Mayo Joplin Memorial Hall, Joplin, Missouri, United States | Walkout Fighting Championship |
| 5.5.2018 |  | WCT 2 - Eguiluz vs. Ferreira Black House Santiago Gym, Santiago, Chile | Weichafe Cage Tournament |
| 5.5.2018 |  | WEF 53 - WEF ProfFight 21 Jalal-Abad Stadium, Jalal-Abad, Kyrgyzstan | World Ertaymash Federation |
| 5.5.2018 | | WKC MMA - World Kombat Challenge 36 Academia Nova Geração, Macaé, RJ, Brazil | WKC MMA-World Kombat Challenge |
| 5.5.2018 |  | WKC MMA - World Kombat Challenge 45 Mingaguazu, Alto Paraná, Paraguay | WKC MMA-World Kombat Challenge |
| 5.5.2018 | | World Kombat Challenge - World Kombat Challenge 37-MK1 Academy Trainner Gimasium, Campo Mourao, PR, Brazil | WKC MMA-World Kombat Challenge |